flashchips.c: Mark GD25LQ128C/D as TEST_OK_PREW

I have successfully probed/read/erased/written a GD25LQ128D, so marking
this entry as tested.

Signed-off-by: Alan Green <avg@google.com>
Change-Id: Ic5329ebe81b6c1eabfb594f7f7affb3fd460db6b
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/49229
Original-Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Original-Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/70944
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/flashchips.c b/flashchips.c
index de91efc..6916bd9 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -6242,7 +6242,7 @@
 		.page_size	= 256,
 		/* OTP: 1024B total, 256B reserved; read 0x48; write 0x42, erase 0x44 */
 		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
-		.tested		= TEST_UNTESTED,
+		.tested		= TEST_OK_PREW,
 		.probe		= probe_spi_rdid,
 		.probe_timing	= TIMING_ZERO,
 		.block_erasers	=