webos-image: Update layer pins for 2014-05-29

meta-webos as of 2014-05-29 10:09:11 -0700

4dfab4e webos-image: jemalloc=12
6b487b3 alsa-utils: Configure usage of libsamplerate

Open-webOS-DCO-1.0-Signed-off-by: Susan Montooth <susan.montooth@lge.com>

Change-Id: Idaa42119348c9c0d2c36ab7a72a07de3bac6abd4
Reviewed-on: https://g2g.palm.com/5836
Reviewed-by: DCO Verification
Build: Susan Montooth <susan.montooth@lge.com>
Reviewed-by: Build Verification
Reviewed-by: Susan Montooth <susan.montooth@lge.com>
Tested-by: Susan Montooth <susan.montooth@lge.com>