Audio support for WCL #7534

Job	Run time
Sparse check	3m 58s
GCC static -fanalyzer	3m 43s
GCC build X86_64 with W=1	2m 48s
GCC build X86_64 with W=1 allmodconfig	1m 54s
GCC build arm64 allmodconfig	1m 35s
GCC build i386	15m 21s
Clang build x86_64	4m 14s
GCC build X86_64	17m 44s
GCC build arm64	19m 57s
	1h 11m 14s

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