[JHBuild] [WPE] Add 'pkg-config' to libpsl

Author: dpino

Tools/wpe/jhbuild.modules

@@ -88,6 +88,7 @@
     <dependencies>
       <dep package="icu"/>
     </dependencies>
+    <pkg-config>libpsl.pc</pkg-config>
     <branch module="rockdaboot/libpsl/releases/download/libpsl-${version}/libpsl-${version}.tar.gz"
             version="0.20.2"
             repo="github-tarball"