ASoC: SOF: Intel: hda: Fix NULL pointer dereference #8128

Job	Run time
GCC build i386	17m 24s
Sparse check	3m 9s
GCC static -fanalyzer	4m 18s
Clang build x86_64	4m 0s
GCC build X86_64	19m 19s
GCC build X86_64 with W=1	3m 4s
GCC build arm64	22m 58s
GCC build X86_64 with W=1 allmodconfig	1m 56s
GCC build arm64 allmodconfig	1m 51s
	1h 17m 59s

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