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
d841604e9d