Wifi: WAPI HAL skeleton

Add HAL implementation skeleton for vendors.
Vendors need to complete the implementation and uncomment
"CONFIG_WAPI_INTERFACE=y" to support WAPI interface.

Bug: 139257562
Test: atest VtsHalWifiSupplicantV1_3TargetTest
Change-Id: Id7a58b242776d641a091b9ede3f147b7d42003d1
13 files changed