ARM: dts: msm: Enable CDROM lun creation for skuk

Enable CDROM lun creation from device tree so that
LUN is created during initialization and LUN
media can be mounted. This creation only should
be done for QRD targets.

Change-Id: I808f1d55599dbc7f291a1cf6353181ec1eb02ba3
Signed-off-by: Guoping Yu <guopingy@codeaurora.org>