sys/linux: add v4l2_meta_format #18488

Job	Run time
aux	4m 38s
gvisor	4m 8s
dashboard	2m 29s
race_dashboard	3m 0s
old	7m 1s
arch (presubmit_arch_freebsd)	6m 20s
arch (presubmit_arch_linux)	10m 42s
arch (presubmit_arch_netbsd)	3m 44s
arch (presubmit_arch_executor)	3m 18s
arch (presubmit_arch_darwin)	4m 0s
arch (presubmit_arch_openbsd)	3m 48s
build	4m 53s
arch (presubmit_arch_windows)	3m 30s
race	8m 59s
	1h 10m 30s

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