msm: ipa: Add more ipa API to ipa framework

Add IPA framework support for the following ipa clients:
ipa_wdi3
ipa_gsb
ipa_uc_offload
ipa_mhi
ipa_wigig
this comes as an addition to ipa_usb support.

Add all remaining IPA core driver API functions.
remove internal functions from ipa.h header file.

Change-Id: I03ac94c351649c7c59a3894e6e18bb504d488af9
Signed-off-by: Amir Levy <alevy@codeaurora.org>