uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/libraries/libossp-uuid/shtool.patch

@@ -0,0 +1,11 @@
+--- a/shtool	2008-07-05 05:43:08.000000000 +0800
++++ b/shtool	2018-07-25 15:45:40.559587471 +0800
+@@ -1400,7 +1400,7 @@
+             if [ ".$opt_t" = .yes ]; then
+                 echo "strip $dsttmp" 1>&2
+             fi
+-            strip $dsttmp || shtool_exit $?
++            $STRIP $dsttmp || shtool_exit $?
+         fi
+         if [ ".$opt_o" != . ]; then
+             if [ ".$opt_t" = .yes ]; then