Shelley Chen has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/45827 )
Change subject: soc/intel/braswell: Increase dcache size ......................................................................
Patch Set 2:
(1 comment)
https://review.coreboot.org/c/coreboot/+/45827/1/src/soc/intel/braswell/Kcon... File src/soc/intel/braswell/Kconfig:
https://review.coreboot.org/c/coreboot/+/45827/1/src/soc/intel/braswell/Kcon... PS1, Line 103: must add up to a power of 2
Given this comment, I believe you will have to bump it up to 0x8000.
Done