Remove CROSS_COMPILE definition in toplevel Makefile.Add some comment.
Merge branch 'master' of https://github.com/zhydong258/u-boot-2010.12-for-MINI6410
Modifie include file in mmc_boot.c .

<asm/arch/irom-boot.h> is right, some links will add by
shell command in toplevel script mkconfig.