msm: ipa3: Fix to use right casting to avoid the compilation issue

Caller function passing the constant value converting to int
pointer will cause the problem. Adding changes to use right casting
to avoid compilation issue.

Change-Id: I8440f16e4e53e0788c2d1eae35f4b6ebf3178ead
Signed-off-by: Ashok Vuyyuru <avuyyuru@codeaurora.org>