openjdk: add pkgconfig support
openjdk: add pkgconfig support

pkgconfig is now enabled, so that pkg-config
macros will not fail in configure stage.

Signed-off-by: Cristian Iorga <4f58da6f6f13e609ad95046823f7bdbc1fdb002c@intel.com>

Valtis/meta-java,rehsack/meta-java,rehsack/meta-java,rdm-dev/meta-java,rehsack/meta-java,tobw/meta-java,rdm-dev/meta-java,rdm-dev/meta-java,rehsack/meta-java,Valtis/meta-java,tobw/meta-java,rehsack/meta-java,Valtis/meta-java,tobw/meta-java