Change in coreboot[master]: soc/common/smbus: Add support for reading spd data via smbus for DDR5

[Eric Lai (Code Review)]

Attention is currently required from: Maulik V Vaghela, Ravishankar Sarawadi, Reka Norman, Subrata Banik, Meera Ravindranath, Nick Vaccaro, Balaji Manigandan, Raj Astekar, Patrick Rudolph, Karthik Ramasubramanian.
Eric Lai has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/52731 )

Change subject: soc/common/smbus: Add support for reading spd data via smbus for DDR5
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Patch Set 10:

(1 comment)

File src/soc/intel/common/block/smbus/smbuslib.c:

https://review.coreboot.org/c/coreboot/+/52731/comment/35aa2e1d_c6cd81a1 
PS10, Line 123: 		for (byte = 0; byte < stop; byte++) {
question here, does DDR5 only support byte read? or can support block read? smbus_block_read