Change in coreboot[master]: intel/common/../systemagent: Add sa_get_mchbar_base api

[Subrata Banik (Code Review)]

Attention is currently required from: Wonkyu Kim, Paul Menzel, Angel Pons.
Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63615 )

Change subject: intel/common/../systemagent: Add sa_get_mchbar_base api
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Patch Set 7:

(3 comments)

File src/soc/intel/common/block/systemagent/systemagent_early.c:

https://review.coreboot.org/c/coreboot/+/63615/comment/b6b237a9_86f8bcf3 
PS7, Line 89: if(mchbar_lo & 0x1)
one space between `if` and `(`

https://review.coreboot.org/c/coreboot/+/63615/comment/c2a51e1d_1020e8c4 
PS7, Line 91:  
same

https://review.coreboot.org/c/coreboot/+/63615/comment/ec4b1786_6798d7d2 
PS7, Line 91:  
remove space