cris: do away with ARCH_REQUIRE_GPIOLIB

Replace "select ARCH_REQUIRE_GPIOLIB" with "select GPIOLIB"
as this can now be selected directly.

Cc: Michael Büsch <m@bues.ch>
Cc: Mikael Starvik <starvik@axis.com>
Cc: linux-cris-kernel@axis.com
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/cris/Kconfig

@@ -61,7 +61,7 @@ config CRIS
 	select CLONE_BACKWARDS2
 	select OLD_SIGSUSPEND
 	select OLD_SIGACTION
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	select IRQ_DOMAIN if ETRAX_ARCH_V32
 	select OF if ETRAX_ARCH_V32
 	select OF_EARLY_FLATTREE if ETRAX_ARCH_V32