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/applications/networking/pjsip/fix-aarch64.patch

@@ -0,0 +1,13 @@
+--- a/aconfigure
++++ b/aconfigure
+@@ -9174,6 +9174,10 @@
+				 ac_webrtc_instset=neon
+				 ac_webrtc_cflags="-DWEBRTC_ARCH_ARM64"
+			    	 ;;
++                             arm64*|aarch64*)
++                                 ac_webrtc_instset=neon
++                                 ac_webrtc_cflags="-DWEBRTC_ARCH_ARM64"
++                                 ;;
+                              *)
+                                  ac_webrtc_instset=sse2
+                                  ;;