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/siproxd/cheaders.patch

@@ -0,0 +1,14 @@
+diff --git a/src/dejitter.c b/src/dejitter.c
+index 1904ab3..cb3624d 100644
+--- a/src/dejitter.c
++++ b/src/dejitter.c
+@@ -22,6 +22,8 @@
+
+ #include <errno.h>
+
++#include <string.h>
++#include <sys/time.h>
+ #include <unistd.h>
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <netinet/in.h>