i2c: ihs_i2c: Fix hold_bus control

Bus has to be held for repeated start regardless of
read/write access.
Signed-off-by: NDirk Eibach <dirk.eibach@gdsys.cc>
Acked-by: NHeiko Schocher <hs@denx.de>

drivers/i2c/ihs_i2c.c

@@ -135,7 +135,7 @@ static int ihs_i2c_access(struct i2c_adapter *adap, uchar chip, uint addr,
 	if (len <= 0)
 		return 1;
 
-	if (ihs_i2c_address(chip, addr, alen, !read))
+	if (ihs_i2c_address(chip, addr, alen, len))
 		return 1;
 
 	while (len) {