Revert "ALSA: firewire: isight: changed strcpy to strscpy" #7440

Job	Run time
GCC static -fanalyzer	2m 19s
Sparse check	3m 50s
GCC build arm64	19m 37s
GCC build arm64 allmodconfig	1m 27s
GCC build i386	15m 15s
GCC build X86_64 with W=1 allmodconfig	3m 6s
GCC build X86_64 with W=1	2m 32s
GCC build X86_64	17m 20s
Clang build x86_64	3m 58s
	1h 9m 24s

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