mtd: spi-nor: support for (GigaDevice) GD25Q128B

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -510,6 +510,7 @@ static const struct spi_device_id spi_no
 	/* GigaDevice */
 	{ "gd25q32", INFO(0xc84016, 0, 64 * 1024,  64, SECT_4K) },
 	{ "gd25q64", INFO(0xc84017, 0, 64 * 1024, 128, SECT_4K) },
+	{ "gd25q128", INFO(0xc84018, 0, 64 * 1024, 256, SECT_4K) },
 
 	/* Intel/Numonyx -- xxxs33b */
 	{ "160s33b",  INFO(0x898911, 0, 64 * 1024,  32, 0) },