ARM: dts: msm: disable core_ctl for SDM630

core_ctl is needed for SDM660 but not for SDM630. Both targets
share the same defconfig. So it can not be compiled out. Use
core_ctl_disable_cpumask kernel parameter to disable core_ctl
for SDM630.

Change-Id: I35883ac6c03d13268d351fdc707a54cec8569ed3
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>