mtd: rawnand: omap2: Allow build on K3 platforms

K3 platforms come with GPMC. Enable GPMC build for
K3 platforms.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20211209090458.24830-3-rogerq@kernel.org

drivers/mtd/nand/raw/Kconfig

@@ -40,7 +40,7 @@ config MTD_NAND_AMS_DELTA
 
 config MTD_NAND_OMAP2
 	tristate "OMAP2, OMAP3, OMAP4 and Keystone NAND controller"
-	depends on ARCH_OMAP2PLUS || ARCH_KEYSTONE || COMPILE_TEST
+	depends on ARCH_OMAP2PLUS || ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST
 	depends on HAS_IOMEM
 	help
 	  Support for NAND flash on Texas Instruments OMAP2, OMAP3, OMAP4