Change in coreboot[master]: soc/intel/common/block: Enable PMC IPC driver

[Brandon Breitenstein (Code Review)]

Brandon Breitenstein has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/37871 )

Change subject: soc/intel/common/block: Enable PMC IPC driver
......................................................................

Patch Set 20:

(1 comment)

https://review.coreboot.org/c/coreboot/+/37871/20/src/soc/intel/common/block... 
File src/soc/intel/common/block/pmc/pmclib.c:

https://review.coreboot.org/c/coreboot/+/37871/20/src/soc/intel/common/block... 
PS20, Line 655: 	rbuf->buf0 = read32((void *)(pmcbase + PMC_IPC_RBUF0));
> should that check for rbuf == NULL in case you don't have a response?

if the pmc ipc command is successful the entire buffer should be replaced with relevant return information. so the check for error prior to this should be enough to handle this