mtd: spi-nor: add support for w25q128fw

Tested only with single I/O, but the datasheet says it supports dual and
quad.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

drivers/mtd/spi-nor/spi-nor.c

@@ -718,6 +718,7 @@ static const struct flash_info spi_nor_ids[] = {
 	{ "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) },
 	{ "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) },
 	{ "w25q64dw", INFO(0xef6017, 0, 64 * 1024, 128, SECT_4K) },
+	{ "w25q128fw", INFO(0xef6018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
 	{ "w25q80", INFO(0xef5014, 0, 64 * 1024,  16, SECT_4K) },
 	{ "w25q80bl", INFO(0xef4014, 0, 64 * 1024,  16, SECT_4K) },
 	{ "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },