Paul Barker 8827040d9c rpi-cmdline: Move cmdline.txt generation to a separate recipe
Instead of generating cmdline.txt in the kernel recipe, it is generated
in a standalone recipe and pulled in as a dependency of the bootfiles
recipe. This simplifies the process of using a linux-yocto,
linux-mainline or similiar kernel recipe instead of linux-raspberrypi.

In the rpi-cmdline recipe the command line is built from fragments which
can all be easily overridden. The variables `SERIAL` and `CMA` are
renamed to `CMDLINE_SERIAL` and `CMDLINE_CMA` for consistency. The
cmdline.txt file is created in the do_compile step to allow further
customisation via do_compile_append if needed.

Signed-off-by: Paul Barker <pbarker@konsulko.com>
2020-11-27 14:29:55 +00:00
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