fan: Convert logging to lg2

Change-Id: I622dff33087039c460ce64ea06634a0e07555230
Signed-off-by: George Liu <liuxiwei@ieisystem.com>

Deprecate std::filesystem namespace include

Clang-tidy is complaining about our using fs = ... directives. These
were originally added to handle boost::filesystem vs
std::experimental::filesystem v

Deprecate std::filesystem namespace include

Clang-tidy is complaining about our using fs = ... directives. These
were originally added to handle boost::filesystem vs
std::experimental::filesystem vs std::filesystem between the various
compilers. Now that we're all on std::filesystem, this redefinition can
be removed.

```
ChassisIntrusionSensor.hpp:11:11: error: namespace alias decl 'fs' is unused [misc-unused-alias-decls,-warnings-as-errors]
11 | namespace fs = std::filesystem;
```

Tested: code compiles

Change-Id: If4b968ff9cceb4038f526321d3c7c11563ffbce9
Signed-off-by: Ed Tanous <etanous@nvidia.com>

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Enable GPIO polling for fans that dont support GPIO events

This commit will enable the use of GPIO polling for fans that do not
support GPIO events for presence detection.

The configuration should

Enable GPIO polling for fans that dont support GPIO events

This commit will enable the use of GPIO polling for fans that do not
support GPIO events for presence detection.

The configuration should specify the MonitoryType of Polling which will
trigger the polling based presence monitoring.

Preconditions:
Add the configuration of the dual rotor fan in xxx_BaseBoard.json,
for example:
```
{
"Address": "0x52",
"Bus": 6,
"Index": 0,
"MaxReading": 14500,
"Name": "Fan1a_in",
"PowerState": "Always",
"Presence": {
"PinName": "FAN0_PRESENCE_R_N",
"Polarity": "Low",
"MonitorType": "Polling"
},
"Type": "I2CFan"
},
{
"Address": "0x52",
"Bus": 6,
"Index": 1,
"MaxReading": 14500,
"Name": "Fan1b_in",
"PowerState": "Always",
"Presence": {
"PinName": "FAN0_PRESENCE_R_N",
"Polarity": "Low"
"MonitorType": "Polling"
},
"Type": "I2CFan"
},
```

Tested

```
a{sv} 2 "PrettyName" s "" "Present" b true
a{sv} 2 "PrettyName" s "" "Present" b true

(unplug dual rotor fan)

a{sv} 2 "PrettyName" s "" "Present" b false
a{sv} 2 "PrettyName" s "" "Present" b false

(journal)
Feb 27 17:26:17 system1 fansensor[350]: Fan Fan1a_in Removed
Feb 27 17:35:47 system1 fansensor[350]: Fan Fan1a_in Inserted

Signed-off-by: Xiaochao Ma <maxiaochao@ieisystem.com>
Change-Id: I15215e6e919fabc8b362016c9bb8a5bfaea842db
Signed-off-by: Chris Cain <cjcain@us.ibm.com>

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Add support for GPIO polling for presence detection

The current PresenceGpio implementation uses event driven detection by
using the gpioLine.event_read method to detect GPIO signal changes, and
the

Add support for GPIO polling for presence detection

The current PresenceGpio implementation uses event driven detection by
using the gpioLine.event_read method to detect GPIO signal changes, and
then to determine the presence status.

This commit will add support for a PollingPresenceGpio for GPIOs that
do not support events. It will use a pollTimer to periodically read the
GPIO status (every second).

The monitorPresence() function should be called to initiate the
monitoring of the GPIO.

TEST: Tested with multiple GPIOs including disabling to simulate
removing of device and enable to re-detect device. Unable to test Event
driven GPIO due to no hw available.

Change-Id: If46e884ad237dfe909a9373773c8302a0844ac90
Signed-off-by: Chris Cain <cjcain@us.ibm.com>

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Move source files into application-specific sub-directories

Currently, dbus-sensors implement multiple applications:
- psusensor
- adcsensor
- intelcpusensor
- hwmontempsensor
- ipmbsensor
- n

Move source files into application-specific sub-directories

Currently, dbus-sensors implement multiple applications:
- psusensor
- adcsensor
- intelcpusensor
- hwmontempsensor
- ipmbsensor
- nvmesensor
- externalsensor
- mcutempsensor
- intrusionsensor
- fansensor
- exitairtempsensor

This commit is to create separate directories for each application so
that things can be separated more easily and the files are smaller,
instead of creating one huge file for the sensor implementation.

There was some discussion in discord on this. [1][2]

[1]: https://discord.com/channels/775381525260664832/1187158775438778408/1284106093756289067
[2]: https://discord.com/channels/775381525260664832/867820390406422538/1303217796821553214

Signed-off-by: George Liu <liuxiwei@ieisystem.com>
Change-Id: I258fc2ee7d8f939c7b83a07350395e78775b2b8d

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