Enabled CONFIG_SERIAL_8250 by default (not a module) so we can get the kernel output on a serial console

architecture/share/kernel-common.conf.m4

@@ -2,7 +2,7 @@ dnl --- SDE-COPYRIGHT-NOTE-BEGIN ---
 dnl This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 dnl
 dnl Filename: architecture/share/kernel-common.conf.m4
-dnl Copyright (C) 2006 - 2007 The OpenSDE Project
+dnl Copyright (C) 2006 - 2008 The OpenSDE Project
 dnl Copyright (C) 2004 - 2006 The T2 SDE Project
 dnl
 dnl More information can be found in the files COPYING and README.
@@ -214,3 +214,7 @@ CONFIG_NLS=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
 
+dnl Serial console
+dnl
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y