[S] Change in coreboot[master]: security/vboot: Update build rules using x86 SHA extension

[Karthik Ramasubramanian (Code Review)]

Attention is currently required from: Raul Rangel, Kangheui Won, Julius Werner, Yu-Ping Wu.

Karthik Ramasubramanian has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/68953 )

Change subject: security/vboot: Update build rules using x86 SHA extension
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Patch Set 3:

(2 comments)

File src/security/vboot/Makefile.inc:

https://review.coreboot.org/c/coreboot/+/68953/comment/d5a63f49_a52899cc 
PS2, Line 26: ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32)$(CONFIG_ARCH_VERSTAGE_X86_64),y)
> Build error from Jenkins: […]

Ack. That was a bad mistake from my side. Sorry about that and Thanks for catching it.

https://review.coreboot.org/c/coreboot/+/68953/comment/4b8332d5_92d0c6de 
PS2, Line 43: 	X86_SHA_EXT="$$(X86_SHA_EXT_$(1))" \
> I think a more generic way to write this could be […]

Done