clock-db8500: Add arm_pll clock

Note: smp_twd is armss clock.

Signed-off-by: cocafe <cocafehj@gmail.com>
DB8500: Add LiveOPP v1.0.1

Signed-off-by: cocafe <cocafehj@gmail.com>
misc: Clean up warnings

Signed-off-by: cocafe <cocafehj@gmail.com>