soundwire: Intel: clarify Copyright information #447

Job	Run time
GCC static -fanalyzer	4m 28s
GCC build arm64 allmodconfig	1m 50s
GCC build i386	12m 46s
GCC build X86_64	17m 4s
GCC build arm64	16m 20s
GCC build X86_64 with W=1	3m 19s
GCC build X86_64 with W=1 allmodconfig	1m 50s
Sparse check	4m 49s
Clang build x86_64	4m 8s
	1h 6m 34s

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