msm: ipa: add a thin parsing option for status packets

In the LAN rx data path the status packet was parsed twice
but in the second time it parsed not all the info was needed.
So we added a function that is tailored for that scenario
to improve performance.

Acked-by: Tal Gelbard <tgelbard@qti.qualcomm.com>
Change-Id: I8a1755ba62cee4147941b5949c2b223fe76415b2
Signed-off-by: Amir Levy <alevy@codeaurora.org>