flashchips.c: Mark EN29F002(A)(N)B as tested +EW

Mark EN29F002(A)(N)B as tested for erase and write. This chip was marked
tested in the Chromium (downstream) repo change
98d917cfba55b68516cdf64c754d2f36c8c26722 "Add a bunch of new/tested
stuff and various small changes 8"

TEST=Build and run flashrom -L

Signed-off-by: Alan Green <avg@google.com>
Change-Id: Idd26187905f389fc858eea5b13915af88e40afe9
Reviewed-on: https://review.coreboot.org/c/flashrom/+/35092
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
diff --git a/flashchips.c b/flashchips.c
index f84f1cc..3994c93 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -5398,7 +5398,7 @@
 		.total_size	= 256,
 		.page_size	= 256,
 		.feature_bits	= FEATURE_ADDR_AAA | FEATURE_EITHER_RESET,
-		.tested		= TEST_OK_PR,
+		.tested		= TEST_OK_PREW,
 		.probe		= probe_jedec,
 		.probe_timing	= TIMING_ZERO,	/* Datasheet has no timing info specified */
 		.block_erasers	=