msm: platsmp: Add smp ops for msm8936

Add the boot secondary function for msm8936. The base register addr
for two clusters are different, so re-calculate the related register
address before releasing the core.

Change-Id: I8541149f26b5668f056ad723470a8cd9ae106f51
Signed-off-by: Xiaocheng Li <lix@codeaurora.org>