allow output from initscripts to serial

target/config/Config.in

@@ -425,7 +425,8 @@ config ADK_TARGET_CFLAGS
 config ADK_TARGET_CMDLINE
 	string
 	default "dwc_otg.fiq_split_enable=1" if ADK_TARGET_SYSTEM_RASPBERRY_PI
-	default "console=ttymxc0,115200 console=tty0" if ADK_TARGET_SYSTEM_CUBOX_I
+	default "console=ttymxc0,115200 console=tty0" if ADK_TARGET_SYSTEM_CUBOX_I && ADK_RUNTIME_VERBOSE_INIT_VGA
+	default "console=tty0 console=ttymxc0,115200" if ADK_TARGET_SYSTEM_CUBOX_I && ADK_RUNTIME_VERBOSE_INIT_SERIAL
 	default "console=tty0" if ADK_TARGET_SYSTEM_LEMOTE_YEELONG
 	default "console=ttyS0,115200 console=tty0" if ADK_TARGET_SYSTEM_IBM_X40
 	default "console=ttyS0,115200 console=tty0 fbcon=rotate:1" if ADK_TARGET_SYSTEM_SHARP_ZAURUS

target/config/Config.in.runtime

@@ -45,6 +45,23 @@ config ADK_RUNTIME_TIMEZONE
 	help
 	  Predefine the timezone for the embedded system.
 
+choice
+prompt "Enable verbose bootup messages from initscripts"
+default ADK_RUNTIME_VERBOSE_INIT_VGA if ADK_TARGET_WITH_VGA
+default ADK_RUNTIME_VERBOSE_INIT_SERIAL
+
+config ADK_RUNTIME_VERBOSE_INIT_VGA
+	depends on ADK_TARGET_WITH_VGA
+	boolean "output via VGA"
+
+config ADK_RUNTIME_VERBOSE_INIT_SERIAL
+	boolean "output via serial"
+
+config ADK_RUNTIME_QUIET_INIT
+	boolean "no output"
+
+endchoice
+
 choice
 prompt "Start getty or shell after bootup"
 default ADK_RUNTIME_SHELL if ADK_PKG_TEST