flashchips: Mark Spansion S25FL128P......0 as tested

Tested with a Spansion FL128PIF.

Change-Id: Ic99eabb67d5bce3910e9275d0056a7cfa8cff36f
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/28866
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/flashchips.c b/flashchips.c
index 892b2f3..054ca7a 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -12307,7 +12307,7 @@
 		.total_size	= 16384,
 		.page_size	= 256,
 		.feature_bits	= FEATURE_WRSR_WREN,
-		.tested		= TEST_UNTESTED,
+		.tested		= TEST_OK_PREW,
 		.probe		= probe_spi_rdid,
 		.probe_timing	= TIMING_ZERO,
 		.block_erasers	= {