This patch creates rex ES variant with EC ISH enabled.
BUG=b:296886409
TEST=Able to build and boot rex4es_ec_ish variant.
Signed-off-by: Bernardo Perez Priego <bernardo.perez.priego@intel.com>
Change-Id: I2b1cdb8cffd66badd90a7bf9825d9decb07941a8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77358
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>