SPDX: Convert all of our single license tags to Linux Kernel style

When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So

SPDX: Convert all of our single license tags to Linux Kernel style

When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>

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Merge branch 'master' of git://git.denx.de/u-boot

Signed-off-by: Stefano Babic <sbabic@denx.de>

siemens,am33x: add draco etamin board

In the draco CPU board family, etamin is a new variant
with bigger flash and more RAM. Due to new flash that
uses larger pages (4K) some changes are necessary b

siemens,am33x: add draco etamin board

In the draco CPU board family, etamin is a new variant
with bigger flash and more RAM. Due to new flash that
uses larger pages (4K) some changes are necessary because
it impacts the MTD partition layout and the ubi mount
parameters.

Signed-off-by: Samuel Egli <samuel.egli@siemens.com>
Signed-off-by: Heiko Schocher <hs@denx.de>
[trini: Move BOOTDELAY into defconfig, just always be 3 now]
Signed-off-by: Tom Rini <trini@konsulko.com>

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Merge branch 'master' of git://git.denx.de/u-boot

Merge branch 'u-boot/master' into 'u-boot-arm/master'

arm, am33xx: update for siemens am335x based boards

updates for the siemens am335x based boards:

- draco: add delay for DDR3 configuration
- change MTD partition layout and add a possibility
to r

arm, am33xx: update for siemens am335x based boards

updates for the siemens am335x based boards:

- draco: add delay for DDR3 configuration
- change MTD partition layout and add a possibility
to redefine MTD layout in board header.
- move ubi support to common header file
- draco: improve dtb naming
- draco: set CONFIG_SYS_CBSIZE to 1024
- add generic env based led
Leds can now be defined in Environment
- add generic env based dfu button
Which gpio is used for the dfu button can be defined
through the Environment
- set MACH_TYPE only if defined
- draco: increase CPU freq to 300MHz
- Add time command to siemens am33xx boards
- DDR3: increase default tRFC
- draco: enable pullup for DFU and ERST pin
- change print format DDR3

Signed-off-by: Samuel Egli <samuel.egli@siemens.com>
Acked-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>

Signed-off-by: Heiko Schocher <hs@denx.de>

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Merge branch 'master' of git://git.denx.de/u-boot-arm

Merge branch 'u-boot-ti/master' into 'u-boot-arm/master'

siemens:cosmetic, dxr2: rename dxr2 to draco

The actual board name is draco and dxr2 is the target name.
In the future we'll have different targets based on draco board.
All changes are purely non-f

siemens:cosmetic, dxr2: rename dxr2 to draco

The actual board name is draco and dxr2 is the target name.
In the future we'll have different targets based on draco board.
All changes are purely non-functional and basically rename dxr2
to draco.

One style fix in board.c that existed already before.

Signed-off-by: Samuel Egli <samuel.egli@siemens.com>
Reviewed-by: Roger Meier <r.meier@siemens.com>
Cc: Heiko Schocher <hs@denx.de>
Cc: Wolfgang Denk <wd@denx.de>

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