[coreboot-gerrit] Change in coreboot[master]: vc/amd/agesa: fix out-of-bounds read

[Bao Zheng (Code Review)]

Attention is currently required from: Jason Glenesk, Marshall Dawson, Jason Nein, Matt Papageorge, Felix Held.
Bao Zheng has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/58803 )

Change subject: vc/amd/agesa: fix out-of-bounds read
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Patch Set 3:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/58803/comment/0ae09f7b_0c7062e6 
PS3, Line 10: 
Should add a pointer to issue tracker which can get event in coreboot gerrit.
BUG=b:147411796

File src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/cpuF15MmioMap.c:

https://review.coreboot.org/c/coreboot/+/58803/comment/1eecc2aa_8bcbd486 
PS3, Line 232: (MmioPair + i) < MMIO_REG_PAIR_NUM
Should the check be done before accessing the table (before &&)?