msm: ipa: added likely/unlikely branch prediction to the lan dp

Added branch prediction in an effort to make
the data path more efficent.

Acked-by: Tal Gelbard <tgelbard@qti.qualcomm.com>
Change-Id: I3bd2157ee6c263d89de9425c7a0249370ab918fc
Signed-off-by: Amir Levy <alevy@codeaurora.org>