[ARM] Acer n30: GPIO buttons support
[ARM] Acer n30: GPIO buttons support

Add support for the GPIO buttons on the Acer N30.

Signed-off-by: Christer Weinigel <a0a6f62f491e8d7f1eaffae95e43c63b216dfc62@weinigel.se>
Signed-off-by: Ben Dooks <1177f64998f284a7348354b8e91cbbe575d9858a@fluff.org>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas