remove udev requirement in pkgconf file

package/libcec/patches/patch-src_lib_libcec_pc_in

@@ -0,0 +1,9 @@
+--- libcec-2.1.4.orig/src/lib/libcec.pc.in	2013-12-16 10:32:51.000000000 +0100
++++ libcec-2.1.4/src/lib/libcec.pc.in	2014-06-17 10:28:45.246000623 +0200
+@@ -7,6 +7,5 @@ Name: libcec
+ Description: Pulse-Eight CEC adapter library
+ URL: http://www.pulse-eight.com/
+ Version: @VERSION@
+-Requires: @REQUIRES@
+ Libs: -L${libdir} -lcec
+ Cflags: -I${includedir} -I${includedir}/libcec