seta/seta.cpp: Fixed undocumented Dragon Unit DIP switch settings.

Author: cuavas

src/mame/seta/seta.cpp

@@ -4483,9 +4483,9 @@ static INPUT_PORTS_START( drgnunit )
 	PORT_DIPSETTING(      0x0030, "3" )
 	PORT_DIPSETTING(      0x0020, "5" )
 	PORT_DIPUNUSED_DIPLOC( 0x0040, 0x0040, "SW1:7" )    // Labeled "Don't Touch" in manual
-	PORT_DIPNAME( 0x0080, 0x0080, "Timer" ) PORT_DIPLOCATION("SW1:8")    // Labeled "Don't Touch" in manual but it seems to work fine
-	PORT_DIPSETTING(      0x0080, "110" )
-	PORT_DIPSETTING(      0x0000, "130" )
+	PORT_DIPNAME( 0x0080, 0x0080, "Stage Time" ) PORT_DIPLOCATION("SW1:8")    // Labeled "Don't Touch" in manual but it seems to work fine
+	PORT_DIPSETTING(      0x0080, DEF_STR( Normal ) )
+	PORT_DIPSETTING(      0x0000, "Extra 20s" )
 
 	PORT_DIPUNUSED_DIPLOC( 0x0100, 0x0100, "SW2:1" )    // Labeled "Don't Touch" in manual
 	PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Flip_Screen ) ) PORT_DIPLOCATION("SW2:2")