WPC: Fix flipper solenoid of pre-fliptronic games #1304

Job	Run time
Version	6s
Build libpinmame-win-x64	1m 42s
Build libpinmame-win-x86	1m 56s
Build libpinmame-win-arm64	1m 17s
Build libpinmame-osx-x64	2m 25s
Build libpinmame-osx-arm64	1m 39s
Build libpinmame-ios-arm64	1m 3s
Build libpinmame-tvos-arm64	1m 10s
Build libpinmame-linux-x64	3m 0s
Build libpinmame-android-arm64-v8a	1m 25s
Build libpinmame-osx	10s
dispatch	0s
	15m 53s

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