warp7: Switch to DM Serial

This commit switches to DM SERIAL for warp7 and warp7_bl33 defconfigs.

Signed-off-by: Pierre-Jean Texier <pjtexier@koncepto.io>
Signed-off-by: Joris Offouga <offougajoris@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
diff --git a/arch/arm/dts/imx7s-warp.dts b/arch/arm/dts/imx7s-warp.dts
index d28b7ec..4d87348 100644
--- a/arch/arm/dts/imx7s-warp.dts
+++ b/arch/arm/dts/imx7s-warp.dts
@@ -21,6 +21,10 @@
 		mmc0 = &usdhc3;
 	};
 
+	chosen {
+		stdout-path = &uart1;
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		pinctrl-0 = <&pinctrl_gpio>;
diff --git a/configs/warp7_bl33_defconfig b/configs/warp7_bl33_defconfig
index 6eaf152..d34f76b 100644
--- a/configs/warp7_bl33_defconfig
+++ b/configs/warp7_bl33_defconfig
@@ -38,6 +38,8 @@
 CONFIG_DM_REGULATOR_PFUZE100=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
+CONFIG_DM_SERIAL=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_MXC_USB_OTG_HACTIVE=y
diff --git a/configs/warp7_defconfig b/configs/warp7_defconfig
index 28aa06f..ae424ab 100644
--- a/configs/warp7_defconfig
+++ b/configs/warp7_defconfig
@@ -47,6 +47,8 @@
 CONFIG_DM_REGULATOR_PFUZE100=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
+CONFIG_DM_SERIAL=y
 CONFIG_OPTEE=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
diff --git a/include/configs/warp7.h b/include/configs/warp7.h
index 4947597..37649cf 100644
--- a/include/configs/warp7.h
+++ b/include/configs/warp7.h
@@ -24,8 +24,6 @@
 #endif
 #endif
 
-#define CONFIG_MXC_UART_BASE		UART1_IPS_BASE_ADDR
-
 /* Size of malloc() pool */
 #define CONFIG_SYS_MALLOC_LEN		(35 * SZ_1M)