msm: ipa3: fix the double ipa3_pre_init issue

With smmu enabling, ipa3_pre_init is actually
probed twice and causing the crash, the fix
is to do only once.

Change-Id: I20bd718c8cb70029c4dd46c52dbece326b90ef80
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>