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/development/libraries/speechd/fix-paths.patch

@@ -0,0 +1,11 @@
+--- a/speech-dispatcherd.service.in
++++ b/speech-dispatcherd.service.in
+@@ -19,7 +19,7 @@
+ [Service]
+ Type=forking
+ ExecStart=@bindir@/speech-dispatcher -d
+-ExecReload=/bin/kill -HUP $MAINPID
++ExecReload=@utillinux@/bin/kill -HUP $MAINPID
+ 
+ [Install]
+ WantedBy=multi-user.target