msm: Dont modify Debug image state during init

The wdog debug driver enables the debug image feature during
probe, which is not necessary and could cause issues when
debug image is not loaded. Hence, not modifying the initial
state during driver init.

Change-Id: I78e61e08d551707976d32240669c4367ee4d01b9
Signed-off-by: Pushkar Joshi <pushkarj@codeaurora.org>