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/http/tengine/check-resolv-conf.patch

@@ -0,0 +1,14 @@
+diff --git a/auto/unix b/auto/unix
+index a38c12dc..025a4899 100644
+--- a/auto/unix
++++ b/auto/unix
+@@ -1072,9 +1072,7 @@ ngx_feature_test='int fd;
+ 
+ 
+ # Auto read nameserver from /etc/resolv.conf.
+- if [ -f "/etc/resolv.conf" ]; then
+     have=NGX_RESOLVER_FILE
+     value=\"/etc/resolv.conf\"
+     . auto/define
+-fi
+