Ed25519 sign support #1347

Job	Run time
variables	1s
fc_matrix (fmu-v6xrt) / build	7m 26s
fc_matrix (saluki-pi_amp) / build	9m 24s
fc_matrix (saluki-nxp93_flat) / build	6m 29s
fc_matrix (saluki-pi_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-pi/px4_bin_ed25519_... / build	9m 51s
fc_matrix (pixhawk) / build	5m 59s
fc_matrix (saluki-pi_flat) / build	7m 23s
fc_matrix (saluki-pi_default) / build	9m 34s
fc_matrix (saluki-v2_amp) / build	9m 19s
fc_matrix (saluki-v2_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v2/px4_bin_ed25519_... / build	9m 51s
fc_matrix (saluki-v2_default) / build	9m 22s
fc_matrix (saluki-v3_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v3/px4_bin_ed25519_... / build	8m 47s
fc_matrix (saluki-v3_amp) / build	8m 48s
fc_matrix (saluki-v2_flat) / build	6m 39s
fc_matrix (saluki-v3_default) / build	8m 59s
fc_matrix (saluki-v3_flat) / build	6m 39s
build px4fwupdater	2m 37s
upload builds to UAE artifactory	3m 31s
upload px4fwupdater to docker registry	2m 30s
upload px4fwupdater to UAE docker registry	0s
	2h 13m 9s

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