HW: cleanup warnings of -Wtype-limits

ROM_BASE is 0, and address is unsigned. It is always
true that address >= 0. So just compare with ROM_SIZE
and don't use IN_RANGE macro to avoid the warning.

Source/Core/Core/HW/EXI/EXI_DeviceIPL.cpp

@@ -314,7 +314,7 @@ void CEXIIPL::TransferByte(u8& data)
       }
     };
 
-    if (IN_RANGE(ROM))
+    if (address < ROM_BASE + ROM_SIZE)
     {
       if (!m_command.is_write())
       {