WPC: fix wrongly removed pre DCS sound board FIRQ #1280

Job	Run time
Version	8s
Build libpinmame-win-x64	2m 6s
Build libpinmame-win-x86	2m 14s
Build libpinmame-win-arm64	1m 41s
Build libpinmame-osx-x64	2m 19s
Build libpinmame-osx-arm64	1m 39s
Build libpinmame-ios-arm64	1m 14s
Build libpinmame-tvos-arm64	1m 27s
Build libpinmame-linux-x64	3m 0s
Build libpinmame-android-arm64-v8a	1m 28s
Build libpinmame-osx	11s
dispatch	0s
	17m 27s

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