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/qimageblitz/qimageblitz-9999-exec-stack.patch

@@ -0,0 +1,11 @@
+diff -uar qimageblitz/blitz/asm_scale.S qimageblitz~/blitz/asm_scale.S
+--- qimageblitz-orig/blitz/asm_scale.S	2007-10-17 01:17:57.000000000 +0200
++++ qimageblitz/blitz/asm_scale.S	2007-10-17 01:19:12.000000000 +0200
+@@ -814,3 +814,7 @@
+ SIZE(qimageScale_mmx_AARGBA)
+ 
+ #endif
++#if defined(__linux__) && defined(__ELF__)
++.section .note.GNU-stack,"",%progbits
++#endif
++