nb1412m2: make clock input same for all drivers

src/mame/drivers/dai3wksi.cpp

@@ -32,6 +32,8 @@ Bellybuttons by Osso & hap
 04/16/2021
 
 TODO:
+- Get rid of those big lookup tables, I see no proms on the PCB so it's a color overlay?
+  Note: warp1 colors more or less match the ones of dai3wksi according to flyers
 - Two player games are automatically displayed in cocktail mode.
   Is this by design (a cocktail only romset)?
 - Discrete audio needs adding to replace hardcoded samples

src/mame/drivers/galivan.cpp

@@ -481,7 +481,7 @@ void dangarj_state::dangarj(machine_config &config)
 	galivan(config);
 	m_maincpu->set_addrmap(AS_IO, &dangarj_state::dangarj_io_map);
 
-	NB1412M2(config, m_prot, XTAL(8'000'000)); // divided by 2 maybe
+	NB1412M2(config, m_prot, XTAL(8'000'000)/2); // divided by 2 maybe
 }
 
 void galivan_state::ninjemak(machine_config &config)

src/mame/drivers/terracre.cpp

@@ -513,7 +513,7 @@ void amazon_state::amazon_1412m2(machine_config &config)
 	amazon_base(config);
 	m_maincpu->set_addrmap(AS_PROGRAM, &amazon_state::amazon_1412m2_map);
 
-	NB1412M2(config, m_prot, XTAL(16'000'000)); // divided by 4 maybe
+	NB1412M2(config, m_prot, XTAL(16'000'000)/4); // divided by 4 maybe
 }