webos-image: Update layer pins for 2014-01-08

meta-webos as of 2014-01-08 16:28:09 -0800

5a35ecd webos-image: luna-service2=171
6d174d9 webos-image: luna-sysservice=31

Open-webOS-DCO-1.0-Signed-off-by: Herb Kuta <herb.kuta@lge.com>
Change-Id: I9c78dd519433055b61c42813e4e8752199f2cfcc
Reviewed-on: https://g2g.palm.com/4353
Reviewed-by: DCO Verification
Build: Herb Kuta <herb.kuta@lge.com>
Reviewed-by: Build Verification
Reviewed-by: Keith Derrick <keith.derrick@lge.com>
Tested-by: Keith Derrick <keith.derrick@lge.com>