msm: camera: icp: dump page fault in ready state

If the state of the context is acquired icp can be in
stopped state, so dump pf only if we are in ready state and
above.

Change-Id: I40e42ae6b6e9c98a7bd7d95b7cbb07865ff9b0cf
Signed-off-by: Tejas Prajapati <tpraja@codeaurora.org>