add usb driver
For Super Standby
add the bug fix from 1633:1:i2s:fix the i2s mul_capture_play can't quit in time while you want to quit;2:open the linux alarm while in linux environment(the interface function is for linux, not android)
gpio driver: fix fatal bug, NULL ptr deferenced
gpio driver: fix bug
core.c: reserve areas redefination
sun7i:mmc: fix a coding error
fix cache bug
sun7i:mmc: add pre-defined debug level
sun7i:mmc: fix error on super standby operation
sun7i:mmc: fix an error for super standby
sun7i:mmc: fix a coding error