arm64: dts: imx952-evk: Enable UART5

Enable UART5 for using Bluetooth.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Author: MrVan

arch/arm64/boot/dts/freescale/imx952-evk.dts

@@ -28,6 +28,7 @@
 		mmc0 = &usdhc1;
 		mmc1 = &usdhc2;
 		serial0 = &lpuart1;
+		serial4 = &lpuart5;
 	};
 
 	chosen {
@@ -199,6 +200,17 @@
 	status = "okay";
 };
 
+&lpuart5 {
+	/* BT */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart5>;
+	status = "okay";
+
+	bluetooth {
+		compatible = "nxp,88w8987-bt";
+	};
+};
+
 &usdhc1 {
 	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
 	pinctrl-0 = <&pinctrl_usdhc1>;
@@ -291,6 +303,15 @@
 		>;
 	};
 
+	pinctrl_uart5: uart5grp {
+		fsl,pins = <
+			IMX952_PAD_DAP_TDO_TRACESWO__WAKEUPMIX_TOP_LPUART5_TX	0x31e
+			IMX952_PAD_DAP_TDI__WAKEUPMIX_TOP_LPUART5_RX		0x31e
+			IMX952_PAD_DAP_TMS_SWDIO__WAKEUPMIX_TOP_LPUART5_RTS_B	0x31e
+			IMX952_PAD_DAP_TCLK_SWCLK__WAKEUPMIX_TOP_LPUART5_CTS_B	0x31e
+		>;
+	};
+
 	pinctrl_usdhc1: usdhc1grp {
 		fsl,pins = <
 			IMX952_PAD_SD1_CLK__WAKEUPMIX_TOP_USDHC1_CLK		0x158e