RTL: fix RTL time estimation of MC landing phase #986

Job	Run time
Scan for Board Targets	35s
Build Group [base-px4]	4m 41s
Build Group [nuttx-mro-0]	9m 48s
Build Group [nuttx-mro-1]	3m 47s
Build Group [nuttx-0]	6m 33s
Build Group [nuttx-ark-0]	5m 43s
Build Group [nuttx-ark-1]	3m 47s
Build Group [nuttx-holybro-0]	7m 27s
Build Group [nuttx-holybro-1]	3m 28s
Build Group [nuttx-px4-0]	8m 12s
Build Group [nuttx-px4-1]	12m 5s
Build Group [nuttx-px4-2]	13m 40s
Build Group [nuttx-px4-3]	6m 3s
Build Group [nuttx-matek]	6m 20s
Build Group [nuttx-cubepilot]	8m 41s
Build Group [nuttx-1]	7m 22s
Build Group [nuttx-nxp-0]	11m 8s
Build Group [nuttx-nxp-1]	1m 58s
Build Group [nuttx-2]	5m 47s
Build Group [nuttx-3]	6m 57s
Build Group [nuttx-cuav]	7m 6s
Build Group [nuttx-4]	5m 43s
Build Group [nuttx-5]	4m 9s
Build Group [aarch64-0]	1m 39s
Create Release and Upload Artifacts	0s
Upload Artifacts to S3	0s
	2h 32m 39s

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