[build] Accept CROSS= as a synonym for CROSS_COMPILE=
-rw-r--r-- 558 COPYING
-rw-r--r-- 18092 COPYING.GPLv2
-rw-r--r-- 2931 COPYING.UBDL
-rw-r--r-- 113 README
drwxr-xr-x - contrib
drwxr-xr-x - src