mailbox: imx: Modify the incorrect format specifier

Replace %i with %u in snprintf() because it is "unsigned int".

Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>

drivers/mailbox/imx-mailbox.c

@@ -782,7 +782,7 @@ static int imx_mu_init_generic(struct imx_mu_priv *priv)
 		cp->chan = &priv->mbox_chans[i];
 		priv->mbox_chans[i].con_priv = cp;
 		snprintf(cp->irq_desc, sizeof(cp->irq_desc),
-			 "%s[%i-%i]", dev_name(priv->dev), cp->type, cp->idx);
+			 "%s[%i-%u]", dev_name(priv->dev), cp->type, cp->idx);
 	}
 
 	priv->mbox.num_chans = IMX_MU_CHANS;
@@ -819,7 +819,7 @@ static int imx_mu_init_specific(struct imx_mu_priv *priv)
 		cp->chan = &priv->mbox_chans[i];
 		priv->mbox_chans[i].con_priv = cp;
 		snprintf(cp->irq_desc, sizeof(cp->irq_desc),
-			 "%s[%i-%i]", dev_name(priv->dev), cp->type, cp->idx);
+			 "%s[%i-%u]", dev_name(priv->dev), cp->type, cp->idx);
 	}
 
 	priv->mbox.num_chans = num_chans;