supplicant: up revision ISupplicantVendor to 2.2

Up revision ISupplicantVendor from 2.1 to 2.2 to add support
for  new API "doDriverCmd()" for station interface to send
a driver command. This returns data in string format.

This commit also adds hash key to Freeze below vendor HAL
interfaces

1) vendor.qti.hardware.wifi.supplicant@2.1
2) vendor.qti.hardware.wifi.supplicant@2.2

Change-Id: If327fe50bb50234fa82dad6b841f0cf6eb02c251
CRs-Fixed: 2630761
4 files changed