saluki-vx: Update submodules for rpmsg address change #854

Job	Run time
fc_matrix (saluki-pi_bootloader) / build	4m 34s
fc_matrix (pixhawk) / build	9m 6s
fc_matrix (saluki-pi_amp) / build	9m 9s
fc_matrix (saluki-pi_default) / build	8m 48s
fc_matrix (saluki-v2_amp) / build	10m 44s
fc_matrix (saluki-pi_protected) / build	12m 7s
fc_matrix (saluki-v2_bootloader) / build	4m 28s
fc_matrix (saluki-v2_default) / build	9m 53s
fc_matrix (saluki-v2_kernel) / build	11m 27s
fc_matrix (saluki-v2_protected) / build	9m 24s
fc_matrix (saluki-v3_amp) / build	9m 54s
fc_matrix (saluki-v3_default) / build	11m 3s
build px4fwupdater	2m 4s
upload builds to artifactory	1m 1s
upload px4fwupdater to docker registry	49s
upload px4fwupdater to UAE docker registry	1m 3s
upload builds to UAE artifactory	1m 7s
	1h 56m 41s

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