build: remove autotool

Change-Id: I662c8a5d29453622744f44c1984416f1303354e6
Signed-off-by: Willy Tu <wltu@google.com>

build: Add meson build

Changes to note,
- `with_systemdsystemunitdir` and `with_tmpfilesdir` is removed since it
is not being documented nor used in OpenBMC.
- Removed the Code coverage feature wi

build: Add meson build

Changes to note,
- `with_systemdsystemunitdir` and `with_tmpfilesdir` is removed since it
is not being documented nor used in OpenBMC.
- Removed the Code coverage feature with `-DDHAVE_GCOV`, since it is not
used and meson covers it.
- Removed `--enable-oe-sdk` for using the OpenBMC SDK. It should work
directly with no change required.

Tested:
```
Jan 01 00:01:54 ipmid[709]: Try loading blob from persistent data
Jan 01 00:01:54 ipmid[709]: Stale blob data, resetting internals...
Jan 01 00:01:56 ipmid[709]: config loaded: /flash/bios
Jan 01 00:01:56 ipmid[709]: config loaded: /flash/image
Jan 01 00:01:56 ipmid[709]: config loaded: /flash/dummy
...
```

```
$ ls /usr/lib/blob-ipmid/
libfirmwareblob.so
libfirmwarecleanupblob.so libversionblob.so
```

Testing the service,
```
$ echo "hello" > /tmp/test.txt
$ burn_my_bmc -command update -layout dummy -image /tmp/test.txt
Sending over the firmware image.
Opening the verification file
Committing to /flash/verify to trigger service
Calling stat on /flash/verify session to check status
running
success
Returned success
succeeded
```

On the BMC.
```
/run/initramfs$ cat dummy
hello
```

Change-Id: I21c7c33bd62c0ee40681cb40da90125c125bea2f
Signed-off-by: Willy Tu <wltu@google.com>

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test: Replace the C++ MOCK_METHOD<n> macros with the new MOCK_METHOD

Change-Id: I5099c727e9e918f19fa61acc91ef75250ebc6fa6
Signed-off-by: Willy Tu <wltu@google.com>

cleanup: coverage: add missing coverage

The uninteresting blob methods did not receive unit-tests. This adds
those missing unit-tests.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id:

cleanup: coverage: add missing coverage

The uninteresting blob methods did not receive unit-tests. This adds
those missing unit-tests.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: Ib5885e3f3fa9e4e708fbf578bcaaa8bc85ff3993

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cleanup: let the handler own the file system implementation

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: Ic7c31237bd5440b2cfa171df93545a63708e404c

bmc: add cleanup blob handler

Add a cleanup blob handler, such that there is a new blob id present
named "/flash/cleanup" that will delete temporary files. This blob
handler expects a client to ope

bmc: add cleanup blob handler

Add a cleanup blob handler, such that there is a new blob id present
named "/flash/cleanup" that will delete temporary files. This blob
handler expects a client to open/commit/close the blob. This blob
handler will delete files that are specified as temporary. The host
client may use this to clean up artifacts on verification or update
failure.

This can be extended later to handle calling a service or doing anything
else to cleanup. The cleanup handler will be added if
--enable-cleanup-delete. The recipe will automatically add this blob
handler if that configure variable is set.

Tested: Not tested on real hardware.
Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I4502b2613e38f0a947d7235d084287376c6b0ce1

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