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>

configs/dms-ba16-1g_defconfig

@@ -32,6 +32,7 @@ CONFIG_ENV_IS_IN_SPI_FLASH=y
 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

configs/dms-ba16_defconfig

@@ -31,6 +31,7 @@ CONFIG_ENV_IS_IN_SPI_FLASH=y
 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