webos-image: Update layer pins for 2014-05-13

meta-webos as of 2014-05-13 10:12:50 -0700

afb1dfc Add ARM vfpv4 tuning option support
867137d Make various fixes to allow meta-toolchain to build

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

Change-Id: I412d9fcf083d93940922a43474d6fd11fc8f91d6
Reviewed-on: https://g2g.palm.com/5626
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>