Revert "msm: ipa: Consolidate LE MBB and LE MHI cases"

This reverts commit 1892a39d.
Due to advanced use case, Modem needs to know if the setup
is in MBB mode or MHI mode.

Change-Id: If929eb0bf3c5532a81f0fc73f56bb273baeb95e2
Signed-off-by: Ghanim Fodi <gfodi@codeaurora.org>