dm: Move OMAP GPIO driver to drivers/gpio/

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: U-Boot DM <u-boot-dm@lists.denx.de>
Cc: Tom Rini <trini@ti.com>
Acked-by: Tom Rini <trini@ti.com>
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/include/configs/tam3517-common.h b/include/configs/tam3517-common.h
index 0751a9c..24f6f7e 100644
--- a/include/configs/tam3517-common.h
+++ b/include/configs/tam3517-common.h
@@ -27,6 +27,7 @@
  */
 #define CONFIG_OMAP		/* in a TI OMAP core */
 #define CONFIG_OMAP34XX		/* which is a 34XX */
+#define CONFIG_OMAP_GPIO
 
 #define CONFIG_SYS_TEXT_BASE 0x80008000