[PATCH] ARM: dts: stm32: fix -Wall W=1 compilation warnings for can1_sleep pinctrl

[Erwan Le Ray <erwan.leray@xxxxxx>]

Fix compilations warnings detected by -Wall W=1 compilation option:
- node has a unit name, but no reg property

Signed-off-by: Erwan Le Ray <erwan.leray@xxxxxx>

diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
index 140a983..ce98fd8 100644
--- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
@@ -427,7 +427,7 @@
 				};
 			};
 
-			m_can1_sleep_pins_a: m_can1-sleep@0 {
+			m_can1_sleep_pins_a: m_can1-sleep-0 {
 				pins {
 					pinmux = <STM32_PINMUX('H', 13, ANALOG)>, /* CAN1_TX */
 						 <STM32_PINMUX('I', 9, ANALOG)>; /* CAN1_RX */
-- 
1.9.1