arm: imx: Add Winbond SPI-NOR support for Advantech DMS-BA16 board

Windbond's been in the AVL list and need to enable the support

Signed-off-by: Ken Lin <yungching0725@gmail.com>
diff --git a/configs/dms-ba16-1g_defconfig b/configs/dms-ba16-1g_defconfig
index 40b3170..8008916 100644
--- a/configs/dms-ba16-1g_defconfig
+++ b/configs/dms-ba16-1g_defconfig
@@ -32,6 +32,7 @@
 CONFIG_DWC_AHSATA=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_PHYLIB=y
 CONFIG_MXC_SPI=y
 CONFIG_USB=y