Change in coreboot[master]: soc/intel/common: use gpmr api in common drivers

[Subrata Banik (Code Review)]

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

Change subject: soc/intel/common: use gpmr api in common drivers
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Patch Set 6:

(1 comment)

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

https://review.coreboot.org/c/coreboot/+/63471/comment/6ec2042c_5fc8fb79 
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?

yeah remove the DMI words bt in general the purpose, you can keep if you think it can add value.