soundwire: update Intel BPT message length limitation #7528

Job	Run time
GCC static -fanalyzer	3m 32s
GCC build X86_64 with W=1 allmodconfig	1m 37s
GCC build X86_64 with W=1	2m 54s
Sparse check	4m 0s
GCC build arm64 allmodconfig	3m 27s
GCC build X86_64	17m 39s
GCC build arm64	20m 52s
GCC build i386	15m 29s
Clang build x86_64	4m 6s
	1h 13m 36s

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