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/qtkeychain/0002-Fix-install-name-Darwin.patch

@@ -0,0 +1,10 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -215,7 +215,6 @@
+     VERSION ${QTKEYCHAIN_VERSION}
+     SOVERSION ${QTKEYCHAIN_SOVERSION}
+     MACOSX_RPATH 1
+-    INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}"
+     INSTALL_RPATH_USE_LINK_PATH TRUE
+ )
+