boards: nxp: imx95_evk_15x15: flexcan2: add pinctrl node

Add pinmux configuration to enable the can in zephyr.
Using the following pins:
 - CAN2_TX, GPIO_IO25
 - CAN2_RX, GPIO_IO27

Signed-off-by: Aziz Sellami <[email protected]>
Signed-off-by: Jiafei Pan <[email protected]>

Author: asellaminxp

boards/nxp/imx95_evk_15x15/imx95_evk_15x15-pinctrl.dtsi

@@ -50,4 +50,14 @@
 			drive-strength = "x4";
 		};
 	};
+
+	flexcan2_default: flexcan2_default {
+		group0 {
+			pinmux = <&iomuxc_gpio_io27_can_rx_can2_rx>,
+				<&iomuxc_gpio_io25_can_tx_can2_tx>;
+			bias-pull-down;
+			slew-rate = "slightly_fast";
+			drive-strength = "x4";
+		};
+	};
 };