umon bootloader source code, support mips cpu.

				/* flashdev.h:
				   Header file for use with 28F640 for 16 bit mode.
				*/
				#define FLASH_TIMEOUT       1000000
				#define FLASHFUNCSIZE       320
				
				/* Manufacturer and device ids... */
				#define INTEL28F640     0x150089
				#define INTEL28F320     0x140089
				
				#define Fwrite(to,frm)      (*(ftype *)to = *(ftype *)frm)
				#define Is_Equal(p1,p2)     (*(ftype *)p1 == *(ftype *)p2)
				#define Is_Not_Equal(p1,p2) (*(ftype *)p1 != *(ftype *)p2)
				#define NotAligned(ptr)     ((long)ptr & 1)