Implement CR1 for the intepreter. To be honest I have no idea why this was never done previously, all it is is copying four bits from the FPSCR register to CR1. This fixes issue 2390.

Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_FloatingPoint.cpp

@@ -31,8 +31,7 @@ void UpdateSSEState();
 // Star Wars : Rogue Leader spams that at some point :|
 void Interpreter::Helper_UpdateCR1(double _fValue)
 {
-	// Should just update exception flags, not do any compares.
-	PanicAlert("CR1");
+	SetCRField(1, (FPSCR.FX << 4) | (FPSCR.FEX << 3) | (FPSCR.VX << 2) | FPSCR.OX);
 }
 
 void Interpreter::fcmpo(UGeckoInstruction _inst)