s5pc1xx: update cache routines

Because of v7_flush_dcache_all is moved to omap3/cache.S
and s5pc110 needs cache routines, update s5pc1xx cache routines.

l2_cache_enable and l2_caceh_disable are moved from cache.c to cache.S
and invalidate_dcache is modified for SoC specific.

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
4 files changed