ASoC: SOF: ipc4-topology: fix wrong sizeof argument #5301

Job	Run time
Clang build x86_64	4m 36s
GCC build arm64 allmodconfig	1m 48s
GCC build arm64	23m 5s
GCC static -fanalyzer	6m 14s
GCC build i386	21m 26s
GCC build X86_64	24m 15s
GCC build X86_64 with W=1	3m 12s
Sparse check	6m 24s
GCC build X86_64 with W=1 allmodconfig	2m 30s
	1h 33m 30s

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