gpio: em: depnd on ARCH_SHMOBILE

The GPIO_EM is part of the Renesas SoCs so depend on the arch.
Signed-off-by: NPeter Robinson <pbrobinson@gmail.com>
[Changed to depend on ARCH_EMEV2]
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/gpio/Kconfig

@@ -171,7 +171,7 @@ config GPIO_DWAPB
 
 config GPIO_EM
 	tristate "Emma Mobile GPIO"
-	depends on ARM && OF_GPIO
+	depends on (ARCH_EMEV2 || COMPILE_TEST) && OF_GPIO
 	help
 	  Say yes here to support GPIO on Renesas Emma Mobile SoCs.