This change updates the STITCH_ME_BIN path to enable support for
including CSE RW update in CBFS. CSE_RW_FILE is set to either
CONFIG_SOC_INTEL_CSE_RW_FILE or CSE_BP2_BIN depending upon the
selection of STITCH_ME_BIN config.
BUG=b:189177580
Change-Id: I0478f6b2a3342ed29c7ca21aa8e26655c58265f4
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58181
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>