soc: fsl: cpm1: qmc: Rename qmc_chan_command()

Current code handles CPM1 version of QMC and qmc_chan_command() is
clearly CPM1 specific.

In order to prepare the support for the QUICC Engine (QE) version,
rename qmc_chan_command() to reflect that point.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/20240808071132.149251-29-herve.codina@bootlin.comSigned-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>

drivers/soc/fsl/qe/qmc.c

@@ -794,7 +794,7 @@ static int qmc_chan_setup_tsa_rx(struct qmc_chan *chan, bool enable)
 	return qmc_chan_setup_tsa_32rx(chan, &info, enable);
 }
 
-static int qmc_chan_command(struct qmc_chan *chan, u8 qmc_opcode)
+static int qmc_chan_cpm1_command(struct qmc_chan *chan, u8 qmc_opcode)
 {
 	return cpm_command(chan->id << 2, (qmc_opcode << 4) | 0x0E);
 }
@@ -813,7 +813,7 @@ static int qmc_chan_stop_rx(struct qmc_chan *chan)
 	}
 
 	/* Send STOP RECEIVE command */
-	ret = qmc_chan_command(chan, 0x0);
+	ret = qmc_chan_cpm1_command(chan, 0x0);
 	if (ret) {
 		dev_err(chan->qmc->dev, "chan %u: Send STOP RECEIVE failed (%d)\n",
 			chan->id, ret);
@@ -850,7 +850,7 @@ static int qmc_chan_stop_tx(struct qmc_chan *chan)
 	}
 
 	/* Send STOP TRANSMIT command */
-	ret = qmc_chan_command(chan, 0x1);
+	ret = qmc_chan_cpm1_command(chan, 0x1);
 	if (ret) {
 		dev_err(chan->qmc->dev, "chan %u: Send STOP TRANSMIT failed (%d)\n",
 			chan->id, ret);