fby35: enhance kcs error handling #3840

Job	Run time
run-cppcheck	10s
Build-Platforms (yv3-dl)	2m 30s
Build-Platforms (at-mc)	2m 16s
Build-Platforms (gt-cc)	2m 13s
Build-Platforms (wc-mb)	2m 30s
Build-Platforms (yv3-vf)	2m 8s
run-clang-format	11s
Build-Platforms (yv35-hd)	3m 13s
Build-Platforms (at-cb)	1m 59s
Build-Platforms (yv35-ji)	2m 11s
Build-Platforms (nuvoton-sb-rb)	2m 8s
Build-Platforms (yv4-wf)	2m 19s
Build-Platforms (yv35-bb)	2m 1s
Build-Platforms (yv35-cl)	2m 16s
Build-Platforms (yv35-gl)	3m 0s
Build-Platforms (yv4-ff)	2m 7s
Build-Platforms (yv4-sd)	3m 18s
Build-Platforms (yv35-rf)	2m 6s
Build-Platforms (nuvoton-sb-si)	2m 13s
Aggregate-Lint-Output	8s
	40m 57s

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