msm: ipa: add support for extended props for logical interfaces

This allows user-space to correctly configure APPS owned IPA
consumer EP filter tables (for e.g. with Q6 UL static filters)
and EP (for e.g. MUX_ID in meta-data) for WWAN data path.

Change-Id: Ie42a7e0c529bbee4e560c6c37f68eae70bd0c696
Signed-off-by: Ravi Gummadidala <rgummadi@codeaurora.org>