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/os-specific/darwin/apple-sdk/security-setup-hook.sh

@@ -0,0 +1,10 @@
+noDeprecatedDeclarations() {
+  # Security.framework has about 2000 deprecated constants, all of which the user will be
+  # warned about at compilation time
+  flag="-Wno-deprecated-declarations"
+  if [[ "${NIX_CFLAGS_COMPILE-}" != *$flag* ]]; then
+    NIX_CFLAGS_COMPILE+=" $flag"
+  fi
+}
+
+addEnvHooks "$hostOffset" noDeprecatedDeclarations