linux-phytec-fsl

ARM: S3C24XX: remove dsc.c and make regs-dsc.h local

The mach-s3c2440/dsc.c is no longer used and the header, regs-dsc.h
can be local in mach-s3c24xx/.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>