flashchips: Add WPS bit description for GD25Q128C

This seems to be the only GigaDevice chip in our database with
a WPS bit in a regular status register.

Change-Id: If08aa4c4f90291e9b8b975565b5fa808773442bb
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.sourcearcade.org/c/flashprog/+/328
diff --git a/flashchips.c b/flashchips.c
index 6f9bfab..f939505 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -8737,6 +8737,7 @@
 			.tb     = {STATUS1, 5, RW}, /* Called BP3 in datasheet, acts like TB */
 			.sec    = {STATUS1, 6, RW}, /* Called BP4 in datasheet, acts like SEC */
 			.cmp    = {STATUS2, 6, RW},
+			.wps	= {STATUS3, 2, RW},
 		},
 		.wp_write_cfg	= spi_wp_write_cfg,
 		.wp_read_cfg	= spi_wp_read_cfg,