ARM: dts: stm32: Add I2C 1 config for stm32mp157a-dk1

Append I2C 1 for stm32mp157c-dk1.
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32mp157a-dk1.dts

@@ -81,6 +81,17 @@ &gpu {
 	status = "okay";
 };
 
+&i2c1 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&i2c1_pins_a>;
+	pinctrl-1 = <&i2c1_pins_sleep_a>;
+	i2c-scl-rising-time-ns = <100>;
+	i2c-scl-falling-time-ns = <7>;
+	status = "okay";
+	/delete-property/dmas;
+	/delete-property/dma-names;
+};
+
 &i2c4 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c4_pins_a>;