ASoC: Intel: sof_sdw: Fix unlikely uninitialized variable use in crea… #7282

Job	Run time
GCC build arm64	19m 6s
GCC static -fanalyzer	3m 22s
GCC build arm64 allmodconfig	2m 24s
GCC build i386	15m 23s
Clang build x86_64	4m 15s
GCC build X86_64 with W=1 allmodconfig	1m 40s
GCC build X86_64	19m 55s
Sparse check	4m 10s
GCC build X86_64 with W=1	2m 51s
	1h 13m 6s

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