change #include "s3c24xx_regs.h" to <flash/nand/s3c24xx_regs.h>
Changes from the flat namespace to heirarchical one. Instead of writing:
#include "s3c24xx_regs.h"
the following form should be used.
#include <flash/nand/s3c24xx_regs.h>
The exception is from .c files in the same directory.