W39V040B: Flag Erase/Write as bad

Chip has now been properly tested in both my Jetway J7F5M and my EPIA-SP
(known good board). Erase and write fail. Mark these operations as bad
until i or someone else have time to fix this.

Reported by Arvid Brodin <arvidb@kth.se>.

M    flashchips.c

Corresponding to flashrom svn r643.
Signed-off-by: Luc Verhaegen <libv@skynet.be>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

flashchips.c

@@ -2881,7 +2881,7 @@ struct flashchip flashchips[] = {
 		.model_id	= W_39V040B,
 		.total_size	= 512,
 		.page_size	= 64*1024,
-		.tested		= TEST_OK_PREW,
+		.tested		= TEST_OK_PR | TEST_BAD_ERASE | TEST_BAD_WRITE,
 		.probe		= probe_jedec,
 		.probe_timing	= 10, 
 		.erase		= erase_chip_jedec,