imx9/px4io: Cleanups #1996

Job	Run time
variables	1s
fc_matrix (saluki-nxp93_flat) / build	5m 59s
fc_matrix (saluki-nxp93_default) / build	7m 48s
fc_matrix (saluki-pi_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-pi/px4_bin_ed25519_... / build	9m 8s
fc_matrix (saluki-pi_amp) / build	9m 4s
fc_matrix (saluki-pi_default) / build	8m 54s
fc_matrix (saluki-pi_flat) / build	6m 50s
fc_matrix (saluki-v2_amp) / build	9m 12s
fc_matrix (saluki-v2_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v2/px4_bin_ed25519_... / build	8m 57s
fc_matrix (saluki-v2_flat) / build	7m 0s
fc_matrix (saluki-v2_default) / build	9m 4s
fc_matrix (saluki-v3_amp) / build	9m 9s
fc_matrix (saluki-v3_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v3/px4_bin_ed25519_... / build	9m 22s
fc_matrix (saluki-v3_default) / build	9m 31s
fc_matrix (saluki-v3_flat) / build	6m 55s
build px4fwupdater	2m 24s
upload builds to UAE artifactory	3m 35s
upload px4fwupdater to docker registry	1m 33s
upload px4fwupdater to UAE docker registry	0s
	2h 4m 26s

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