[PATCH] ARM64: add GPIO keys to the defconfig

Shannon Zhao [off-list ref] writes:

On 2015/6/4 19:41, Linus Walleij wrote:

quoted

The Juno board, and likely many other boards, likes to use simple
GPIO keys for input events. Enabled this in the default
ARM64 defconfig.

This is also useful for QEMU to support external poweroff on ARM.

Reviewed-by: Shannon Zhao <redacted>

Applied to next/defconfig with Shannon's ack.

Kevin