msm: ipa: add new IPA filtering bitmap

Add new IPA filtering bitmap to match inner IP type
and inner IPv4 address in L2TP use case.

Change-Id: I30afbfba6fb0150ab90826eb2543540699ab895b
Acked-by: Shihuan Liu <shihuanl@qti.qualcomm.com>
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>