msm: cpu status address update for hotplug

8939 has non contiguous address space for cores in both clusters.
Update code to read address from each CPU if addresses are not
available at contiguous offsets.

Change-Id: Iea7deabee78da62f47ceab07e02f1bd42a3797d2
Signed-off-by: Venkat Devarasetty <vdevaras@codeaurora.org>