avr32: default GENERIC_GPIO to false

This will help removing the GENERIC_GPIO option.

GPIO access is done through gpiolib, which selects GENERIC_GPIO anyway.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

arch/avr32/Kconfig

@@ -27,7 +27,7 @@ config AVR32
 	  http://avr32linux.org/.
 
 config GENERIC_GPIO
-	def_bool y
+	def_bool n
 
 config STACKTRACE_SUPPORT
 	def_bool y