Change in coreboot[master]: mb/asus/p8x7x: Use native ram init and depricate mrc.bin code

[Bill XIE (Code Review)]

Attention is currently required from: Bill XIE.
Hello build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/54336

to look at the new patch set (#2).

Change subject: mb/asus/p8x7x: Use native ram init and depricate mrc.bin code
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mb/asus/p8x7x: Use native ram init and depricate mrc.bin code

Signed-off-by: Bill XIE 
Change-Id: I79dc64c25cb36c630bf9994bf04a0dfe8654eb3c
---
M src/mainboard/asus/p8x7x/Kconfig
M src/mainboard/asus/p8x7x/cmos.default
M src/mainboard/asus/p8x7x/cmos.layout
M src/mainboard/asus/p8x7x/variants/z77-m_pro/early_init.c
4 files changed, 45 insertions(+), 214 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/36/54336/2