ECC: Add FHMQV support #877

Job	Run time
documentation/ubuntu-latest	10m 24s
compile-base/ubuntu-latest	10m 8s
compile-arm-ports/ubuntu-latest	22m 0s
rpl-lite/ubuntu-latest	10m 46s
rpl-classic/ubuntu-latest	14m 7s
smor/ubuntu-latest	11m 19s
renode-simulation/ubuntu-latest	10m 52s
simulation-base/ubuntu-latest	11m 37s
ipv6/ubuntu-latest	8m 11s
ieee802154/ubuntu-latest	8m 37s
tun-rpl-br/ubuntu-latest	16m 27s
script-base/ubuntu-latest	9m 57s
native-runs/ubuntu-latest	17m 13s
ipv6-nbr/ubuntu-latest	10m 31s
coap-lwm2m/ubuntu-latest	8m 52s
packet-parsing/ubuntu-latest	9m 58s
documentation/macos-x64	8m 57s
compile-base/macos-x64	12m 9s
rpl-lite/macos-x64	15m 25s
rpl-classic/macos-x64	17m 20s
smor/macos-x64	15m 35s
ipv6/macos-x64	12m 35s
script-base/macos-x64	5m 39s
ipv6-nbr/macos-x64	8m 21s
packet-parsing/macos-x64	4m 39s
	4h 51m 39s

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