mavlink_stream: fix set_interval comment #1485

Job	Run time
variables	1s
fc_matrix (fmu-v6xrt) / build	6m 53s
fc_matrix (pixhawk) / build	5m 26s
fc_matrix (saluki-nxp93_flat) / build	5m 51s
fc_matrix (saluki-pi_amp) / build	8m 51s
fc_matrix (saluki-pi_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-pi/px4_bin_ed25519_... / build	9m 10s
fc_matrix (saluki-pi_default) / build	9m 11s
fc_matrix (saluki-pi_flat) / build	6m 31s
fc_matrix (saluki-v2_amp) / build	8m 44s
fc_matrix (saluki-v2_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v2/px4_bin_ed25519_... / build	8m 52s
fc_matrix (saluki-v2_default) / build	8m 50s
fc_matrix (saluki-v2_flat) / build	6m 41s
fc_matrix (saluki-v3_amp) / build	9m 16s
fc_matrix (saluki-v3_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v3/px4_bin_ed25519_... / build	9m 0s
fc_matrix (saluki-v3_default) / build	9m 19s
fc_matrix (saluki-v3_flat) / build	6m 23s
build px4fwupdater	2m 11s
upload builds to UAE artifactory	3m 42s
upload px4fwupdater to docker registry	1m 24s
upload px4fwupdater to UAE docker registry	0s
	2h 6m 16s

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