Update NuttX submodule for PLIC warm reboot initialization fix #1077

Job	Run time
fc_matrix (saluki-pi_default) / build	6m 14s
fc_matrix (saluki-pi_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-pi/px4_bin_ed25519_... / build	7m 5s
fc_matrix (pixhawk) / build	6m 8s
fc_matrix (saluki-pi_amp) / build	6m 21s
fc_matrix (saluki-pi_protected) / build	6m 48s
fc_matrix (saluki-v2_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v2/px4_bin_ed25519_... / build	6m 30s
fc_matrix (saluki-v2_amp) / build	6m 7s
fc_matrix (saluki-v2_default) / build	6m 23s
fc_matrix (saluki-v2_kernel) / build	8m 31s
fc_matrix (saluki-v2_protected) / build	7m 20s
fc_matrix (saluki-v3_amp) / build	6m 10s
fc_matrix (saluki-v3_custom_keys, Tools/saluki-sec-scripts/custom_keys/saluki-v3/px4_bin_ed25519_... / build	6m 16s
fc_matrix (saluki-v3_default) / build	7m 1s
build px4fwupdater	2m 5s
upload builds to artifactory	56s
upload builds to UAE artifactory	1m 53s
upload px4fwupdater to UAE docker registry	1m 20s
upload px4fwupdater to docker registry	50s
	1h 33m 58s

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