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/libdevil/il_endian.h.patch

@@ -0,0 +1,27 @@
+Source: http://sourceforge.net/p/resil/tickets/8/
+--- devil-1.7.8.orig/src-IL/include/il_endian.h.orig	2009-03-08 01:10:08.000000000 -0600
++++ devil-1.7.8/src-IL/include/il_endian.h	2013-11-03 01:52:37.000000000 -0600
+@@ -19,9 +19,13 @@
+ 	#ifndef __BIG_ENDIAN__
+ 	#define __BIG_ENDIAN__ 1
+ 	#endif
++#else
++	#ifndef __LITTLE_ENDIAN__
++	#define __LITTLE_ENDIAN__ 1
++	#endif
+ #endif
+ 
+-#if (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __BIG_ENDIAN__) \
++#if (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
+   || (defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__))
+  	#undef __LITTLE_ENDIAN__
+ 	#define Short(s) iSwapShort(s)
+@@ -39,8 +43,6 @@
+ 	#define BigDouble(d)  
+ #else
+ 	#undef __BIG_ENDIAN__
+-	#undef __LITTLE_ENDIAN__  // Not sure if it's defined by any compiler...
+-	#define __LITTLE_ENDIAN__
+ 	#define Short(s)  
+ 	#define UShort(s)  
+ 	#define Int(i)