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

[Raul Rangel (Code Review)]

Attention is currently required from: Julius Werner, Karthik Ramasubramanian.

Raul Rangel 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:

(1 comment)

File src/security/vboot/Makefile.inc:

https://review.coreboot.org/c/coreboot/+/68953/comment/69478388_c09e2dea 
PS3, Line 24: 
Would it be easier to read an reason about if you pulled the logic outside of the rule?

```
ifeq(..)
  VBOOT_X86_SHA_EXT_$(1) := ...
else
```

Then in the rule just use:

```
X86_SHA_EXT="$(VBOOT_X86_SHA_EXT_$(1))"
```