i2c: xiic: Do not reset controller before every transfer

Currently before every transfer the controller is reinitialised.
We are already resetting the controller upon errors so upon every
transfer is a performance kill.
Remove the same.

Signed-off-by: Shubhrajyoti Datta <shubhraj@xilinx.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-xiic.c

@@ -667,7 +667,6 @@ static void xiic_start_xfer(struct xiic_i2c *i2c)
 	unsigned long flags;
 
 	spin_lock_irqsave(&i2c->lock, flags);
-	xiic_reinit(i2c);
 	/* disable interrupts globally */
 	xiic_setreg32(i2c, XIIC_DGIER_OFFSET, 0);
 	spin_unlock_irqrestore(&i2c->lock, flags);