ARM: S5P64X0: Cleanup S5P64X0 GPIOlib adding 2bit chips
ARM: S5P64X0: Cleanup S5P64X0 GPIOlib adding 2bit chips

This patch changes S5P6440 and S5P6450 GPIOlib adding 2bit chips.

Signed-off-by: Kukjin Kim <3fc711f4e08bc570a586748633ff7c76d0e1e253@samsung.com>

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