ASoC: sdw_utils: subtract the endpoint that is not present #8077

Job	Run time
GCC build arm64	22m 1s
GCC build arm64 allmodconfig	2m 0s
GCC static -fanalyzer	4m 23s
GCC build X86_64 with W=1 allmodconfig	2m 5s
GCC build i386	16m 40s
Sparse check	3m 21s
GCC build X86_64 with W=1	3m 35s
GCC build X86_64	19m 28s
Clang build x86_64	5m 6s
	1h 18m 39s

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