[wpa_supplicant] Enable DPP R2 support

Enable DPP R2 support in wpa_supplicant.

Bug: 143967086
Test: act.py -c ../WifiDppConfig.json -tc WifiDppTest
Change-Id: I5f72f8152e0212c92774251bf5cfb0b7f6d76ae9
2 files changed