msm: cpp: Initialize timer before use it

CPP module uses timer to detect hardware timeout. This
timer has to be initialized with init_timer API() before
use. It has to be deleted only after initialization.
Calling delete_timer() API twice can cause error.

Change-Id: I752286e0dd74cbbc220f425210f239a903068f4d
Signed-off-by: Iliya Varadzhakov <ivarad@codeaurora.org>