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/servers/sql/proxysql/dont-phone-home.patch

@@ -0,0 +1,12 @@
+diff --git a/src/main.cpp b/src/main.cpp
+index 39dfaa24..634b004b 100644
+--- a/src/main.cpp
++++ b/src/main.cpp
+@@ -237,6 +237,7 @@ static char * main_check_latest_version() {
+ 
+ 
+ void * main_check_latest_version_thread(void *arg) {
++	return NULL;
+ 	char * latest_version = main_check_latest_version();
+ 	if (latest_version) {
+ 		if (