webos-image: Update layer pins for 2013-12-23

meta-webos as of 2013-12-22 21:09:34 -0800

dba2cb6 webos-image.bbclass: Don't check perms on LS2 services
        in /usr/sbin
a4d7fc8 webos-image: pmloglib=r6

Open-webOS-DCO-1.0-Signed-off-by: Jongho Kim <jongho1208.kim@lge.com>

Change-Id: I12ea693460ced45c0d9af462cda32e7f4ac69542
Reviewed-on: https://g2g.palm.com/4264
Reviewed-by: DCO Verification
Reviewed-by: Build Verification
Reviewed-by: Jongho Kim <jongho1208.kim@lge.com>
Tested-by: Jongho Kim <jongho1208.kim@lge.com>