[M] Change in coreboot[master]: soc/amd/common/block/cpu: Refactor ucode allocation

[Angel Pons (Code Review)]

Attention is currently required from: Konrad Adamczyk, Jason Glenesk, Raul Rangel, Jakub Czapiga, Matt DeVillier, Paul Menzel, Arthur Heymans, Grzegorz Bernacki, Fred Reitberger, Karthik Ramasubramanian, Felix Held.

Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74777 )

Change subject: soc/amd/common/block/cpu: Refactor ucode allocation
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Patch Set 9:

(1 comment)

File src/soc/amd/common/block/cpu/update_microcode.c:

https://review.coreboot.org/c/coreboot/+/74777/comment/2e9c8021_15e590a7 
PS9, Line 43: if (m == NULL) {
            : 		printk(BIOS_ERR, "%s: NULL pointer to microcode\n", __func__);
            : 		return;
            : 	}
> Yes, but it always better to validate input in every funcion. […]

Right now, this print message will never be reached because of the check before calling this function, so it is dead code. Please remove one of the checks.