webos-image: Update layer pins for 2013-05-24

meta-webos as of 2013-05-24 11:43:40 +0200

34ad79e webos_qmake5: export MACHINE variable from MACHINE_ARCH recipes
c44970d webos_qmake5: Use OE_QMAKE_PATH_* variables
1ec4ef5 webos_qmake5: Remove unneeded code

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@lge.com>