msm: ipa: AP+STA statistics support for IPAv2 driver

Add IPA stats support on AP+STA mode for V2 driver
when CNE queries. Also add metering funtionality
on WIFI interface to stop the data transfer
when quota reached on WIFI-case.

Change-Id: I51a771423e6a35ea0453b978be484d0464bddf14
Acked-by: Chaitanya Pratapa <cpratapa@qti.qualcomm.com>
Signed-off-by: Utkarsh Saxena <usaxena@codeaurora.org>