pmlogdaemon: Add missing dependency on luna-service2

:Release Notes:
Fix pmlogdaemon failure to build after make clean-luna-service2.

:Detailed Notes:
Fails in do_configure with:
--   package 'luna-service2' not found
CMake Error at [...]FindPkgConfig.cmake:266 (message):
  A required package was not found

:Testing Performed:
Only build-tested.

:QA Notes:
No change in image.

:Issues Addressed:
No bug filed.

Open-webOS-DCO-1.0-Signed-off-by: Susan Montooth <susan.montooth@lge.com>
Change-Id: I97768f8e4b913e744872c932ef03a0e6dc8323c6
Reviewed-on: https://g2g.palm.com/3221
Reviewed-by: Herb Kuta <herb.kuta@lge.com>
Reviewed-by: Susan Montooth <susan.montooth@lge.com>
Tested-by: Susan Montooth <susan.montooth@lge.com>