Sw/Python: fixed bug in I2cIoExpWriteByte() which caused it to stall while...

Sw/Python: fixed bug in I2cIoExpWriteByte() which caused it to stall while waiting for the status of the wrong peripheral

Sw/Python/Class_VfcHd_System.py

@@ -397,7 +397,7 @@ class VfcHd_System:
 
     def I2cIoExpWriteByte(self, Byte):
         self.Write("Sys_IoExpCommand", 0x02000000+Byte) #Sending the byte address
-        while (self.Read("Sys_WrPrmStatus") &0xff000000):
+        while (self.Read("Sys_IoExpStatus") &0xff000000):
             pass
         if (self.Read("Sys_IoExpStatus") &0x100):
             print "No module acknowledge the I2C transaction on the byte address"