cgpt: Enable fast-verify when writing back to NOR

flashrom has been fixed, we could enable this flag for better
performance.

BUG=None
BRANCH=None
TEST=cgpt show /dev/mtd0 works much faster now.

Change-Id: I7a6f5b8649b4293d9b4b4878ae8e599ea1c35289
Reviewed-on: https://chromium-review.googlesource.com/242292
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Tested-by: Nam Nguyen <namnguyen@chromium.org>
Commit-Queue: Nam Nguyen <namnguyen@google.com>
diff --git a/cgpt/cgpt_nor.c b/cgpt/cgpt_nor.c
index 17502a7..95c2f49 100644
--- a/cgpt/cgpt_nor.c
+++ b/cgpt/cgpt_nor.c
@@ -231,12 +231,12 @@
   ret++;
   int nr_fails = 0;
   if (ForkExecL(dir, FLASHROM_PATH, "-i", "RW_GPT_PRIMARY:rw_gpt_1",
-                "-w", NULL) != 0) {
+                "-w", "--fast-verify", NULL) != 0) {
     Warning("Cannot write the 1st half of rw_gpt back with flashrom.\n");
     nr_fails++;
   }
   if (ForkExecL(dir, FLASHROM_PATH, "-i", "RW_GPT_SECONDARY:rw_gpt_2",
-                "-w", NULL) != 0) {
+                "-w", "--fast-verify", NULL) != 0) {
     Warning("Cannot write the 2nd half of rw_gpt back with flashrom.\n");
     nr_fails++;
   }