Change in coreboot[master]: soc/intel/common: migrate GPMR driver

[Wonkyu Kim (Code Review)]

Attention is currently required from: Subrata Banik, Ravishankar Sarawadi, Angel Pons, Nick Vaccaro, Tim Wawrzynczak.
Wonkyu Kim has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63471 )

Change subject: soc/intel/common: migrate GPMR driver
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Patch Set 8:

(1 comment)

File src/soc/intel/common/pch/lockdown/lockdown.c:

https://review.coreboot.org/c/coreboot/+/63471/comment/70f1aabc_8bd44f12 
PS6, Line 29: {
            : 	/*
            : 	 * GCS reg of DMI
            : 	 *
            : 	 * When set, prevents GCS.BBS from being changed
            : 	 * GCS.BBS: (Boot BIOS Strap) This field determines the destination
            : 	 * of accesses to the BIOS memory range.
            : 	 *	Bits Description
            : 	 *	"0b": SPI
            : 	 *	"1b": LPC/eSPI
            : 	 */
> > I removed this as it's DMI specific.   Do you want to keep it and update later? […]

Ack