pinctrl: mvebu: armada-{370,375}: normalize audio pins

This commit aligns the naming of the audio 'lrclk' pin accross Marvell
SoCs.

Since only the subname is changed, the DT backward compatibility is
not affected.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-375.c b/drivers/pinctrl/mvebu/pinctrl-armada-375.c
index 4d3e235..54e9fbd 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-375.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-375.c
@@ -81,7 +81,7 @@
 		 MPP_FUNCTION(0x0, "gpio", NULL),
 		 MPP_FUNCTION(0x1, "dev", "ad0"),
 		 MPP_FUNCTION(0x3, "led", "p1"),
-		 MPP_FUNCTION(0x4, "audio", "rclk"),
+		 MPP_FUNCTION(0x4, "audio", "lrclk"),
 		 MPP_FUNCTION(0x5, "nand", "io0")),
 	MPP_MODE(7,
 		 MPP_FUNCTION(0x0, "gpio", NULL),