Change in coreboot[master]: mb/google/brya: Allow variants to choose CAR setup configuration

[Subrata Banik (Code Review)]

Attention is currently required from: Maulik V Vaghela, EricR Lai.
Hello build bot (Jenkins), Maulik V Vaghela, Tim Wawrzynczak, EricR Lai,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/59272

to look at the new patch set (#3).

Change subject: mb/google/brya: Allow variants to choose CAR setup configuration
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mb/google/brya: Allow variants to choose CAR setup configuration

Lists of changes:
1. Create choice config to let ADL mb variants to pick the desire CAR
setup configuration between NEM and eNEM, where NEM and eNEM Kconfig
have selected its required IA SoC common CAR Kconfig to able to perform
the early boot configuration using CAR.
2. Brya0 variant to drop INTEL_CAR_NEM Kconfig select and choose eNEM.
3. Default CAR configuration for ADL mb is still NEM due to still using
older SoC skus without eNEM support enabled.

BUG=b:168820083
TEST=Able to build and boot P2 boards using eNEM mode.

Change-Id: Ibe94e6b82739ec65829859271622d904d75e978d
Signed-off-by: Subrata Banik 
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M src/mainboard/google/brya/Kconfig
1 file changed, 15 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/72/59272/3