soundwire: add higher bus clock rate support #6831

Job	Run time
GCC build arm64	17m 45s
GCC static -fanalyzer	4m 30s
GCC build arm64 allmodconfig	2m 51s
Clang build x86_64	4m 15s
GCC build i386	15m 25s
GCC build X86_64	16m 59s
GCC build X86_64 with W=1	2m 49s
GCC build X86_64 with W=1 allmodconfig	1m 41s
Sparse check	3m 17s
	1h 9m 32s

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