ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get #8390

Job	Run time
GCC static -fanalyzer	3m 58s
GCC build arm64 allmodconfig	1m 37s
GCC build X86_64 with W=1	2m 35s
GCC build X86_64 with W=1 allmodconfig	1m 41s
GCC build i386	17m 0s
Sparse check	3m 38s
Clang build x86_64	4m 10s
GCC build X86_64	21m 32s
GCC build arm64	22m 36s
	1h 18m 47s

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