ASoC: Intel: sof_sdw: overwrite mach_params->dmic_num #6723

Job	Run time
GCC build arm64 allmodconfig	1m 48s
GCC build arm64	17m 58s
Clang build x86_64	4m 25s
GCC build i386	15m 30s
GCC build X86_64	19m 11s
GCC build X86_64 with W=1	3m 1s
GCC static -fanalyzer	4m 28s
GCC build X86_64 with W=1 allmodconfig	1m 49s
Sparse check	3m 9s
	1h 11m 19s

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