Change in coreboot[master]: soc/intel/broadwell/gma.c: Add missing `break` in switch

[Angel Pons (Code Review)]

Attention is currently required from: Patrick Rudolph.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/50141 )

Change subject: soc/intel/broadwell/gma.c: Add missing `break` in switch
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Patch Set 1:

(1 comment)

Patchset:

PS1:
> Hmm odd, I thought `-Wimplicit-fallthrough` was supposed to catch problems like this.

Me too, but `reg_em4` and `reg_em5` are globals. I would guess this side effect made GCC decide this might have been intentional, but I've no clue.