Debug FSP is ~920KiB larger than release FSP and we don't have
sufficient space for MTL-P RVP flash layout.
Remove RW_LEGACY and split them into RW_SECTION_A/B so we can have a
room for it.
BUG=b:271407315
TEST=Build intel/mtlrvp with CONFIG_BUILDING_WITH_DEBUG_FSP.
Change-Id: Ief7dd39af018c4c1519ca80d1303085d8298cda6
Signed-off-by: Usha P <usha.p@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74193
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Krishna P Bhat D <krishna.p.bhat.d@intel.com>