ECC: Add FHMQV support #1011

Job	Run time
documentation/ubuntu-latest	3m 43s
compile-base/ubuntu-latest	3m 43s
compile-arm-ports/ubuntu-latest	13m 41s
rpl-lite/ubuntu-latest	5m 37s
rpl-classic/ubuntu-latest	7m 14s
smor/ubuntu-latest	4m 36s
renode-simulation/ubuntu-latest	4m 6s
simulation-base/ubuntu-latest	4m 22s
ipv6/ubuntu-latest	3m 35s
ieee802154/ubuntu-latest	3m 45s
tun-rpl-br/ubuntu-latest	11m 9s
script-base/ubuntu-latest	3m 36s
native-runs/ubuntu-latest	10m 20s
ipv6-nbr/ubuntu-latest	3m 29s
coap-lwm2m/ubuntu-latest	6m 3s
packet-parsing/ubuntu-latest	3m 23s
documentation/macos-x64	4m 47s
compile-base/macos-x64	6m 36s
rpl-lite/macos-x64	13m 22s
rpl-classic/macos-x64	19m 36s
smor/macos-x64	8m 38s
ipv6/macos-x64	7m 1s
script-base/macos-x64	5m 13s
ipv6-nbr/macos-x64	4m 38s
packet-parsing/macos-x64	4m 26s
	2h 46m 39s

Provide feedback