wifi: Added missing VTS tests

Added VTS tests for,
1. ISupplicantP2pIface#configureEapolIpAddressAllocationParams
2. ISupplicantStaIface#generateSelfDppConfiguration
3. ISupplicantStaNetwork#setDppKeys

Bug: 385776321
Test: atest VtsHalWifiSupplicantStaNetworkTargetTest
Test: atest VtsHalWifiSupplicantStaIfaceTargetTest
Test: atest VtsHalWifiSupplicantP2pIfaceTargetTest
Change-Id: I56c9df9f797e987001fdc1635cfcbbbc879434e2