i2c: mpc: reword according to newest specification

Change the wording of this driver wrt. the newest I2C v7 and SMBus 3.2
specifications and replace "master/slave" with more appropriate terms.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>

Author: Wolfram Sang

drivers/i2c/busses/i2c-mpc.c

@@ -115,7 +115,7 @@ static inline void writeccr(struct mpc_i2c *i2c, u32 x)
 	writeb(x, i2c->base + MPC_I2C_CR);
 }
 
-/* Sometimes 9th clock pulse isn't generated, and slave doesn't release
+/* Sometimes 9th clock pulse isn't generated, and target doesn't release
  * the bus, because it wants to send ACK.
  * Following sequence of enabling/disabling and sending start/stop generates
  * the 9 pulses, each with a START then ending with STOP, so it's all OK.
@@ -759,7 +759,7 @@ static int fsl_i2c_bus_recovery(struct i2c_adapter *adap)
 }
 
 static const struct i2c_algorithm mpc_algo = {
-	.master_xfer = mpc_xfer,
+	.xfer = mpc_xfer,
 	.functionality = mpc_functionality,
 };