Change in coreboot[master]: mb/intel/adlrvp: x4 slot support (SD card support) for Adl-P RVP

[Cliff Huang (Code Review)]

Attention is currently required from: Bora Guvendik, Anil Kumar K, Jeremy Compostella.
Cliff Huang has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63945 )

Change subject: mb/intel/adlrvp: x4 slot support (SD card support) for Adl-P RVP
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Patch Set 6:

(1 comment)

File src/mainboard/intel/adlrvp/gpio.c:

https://review.coreboot.org/c/coreboot/+/63945/comment/d14314cf_dd304efd 
PS6, Line 189: // PAD_CFG_NF(GPP_A7, NONE, DEEP, NF1),
> you should remove this line altogether if unnecessary instead of commenting it out.

I would rather keep this as comment for this CL since NF1 is not really for I2S2 SCLK.  If this needs to be removed, all these I2S2 related needs to be re-visited and make changes. A separate CL is needed for this.