migrate out of flashrom deprecated options

This change replaces --diff and --fast-verify for the supported
equivalent flashrom options

Signed-off-by: Daniel Campello <campello@chromium.org>
Change-Id: I8c48c7f819f968c3ddd94278415e5e9e0ef93924
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52717
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>

util/mma/mma_setup_test.sh

@@ -86,7 +86,7 @@ show_usage() {
 
 write_flash() {
 	printf "Writing back flash contents "${flashrom_temp_image}"\n"
-	flashrom -p host -w "${flashrom_temp_image}" --fast-verify || \
+	flashrom -p host -w "${flashrom_temp_image}" --noverify-all || \
 		{
 			printf "failed to read flash\n" ;
 			exit -1;