Add EXPERT kconfig option so we can hide more advanced options
from beginners who should rather not touch them unless they know what
they do.

Also, add a random Kconfig help comment.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Peter Stuge <peter@stuge.se>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4808 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/Kconfig b/src/Kconfig
index e6a12b5..083553ffa 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -29,6 +29,14 @@
 
 menu "General setup"
 
+config EXPERT
+	bool "Expert mode"
+	help
+	  This allows you to select certain advanced configuration options.
+
+	  Warning: Only enable this option if you really know what you are
+	  doing! You have been warned!
+
 config LOCALVERSION
 	string "Local version string"
 	help
diff --git a/src/cpu/Kconfig b/src/cpu/Kconfig
index 4240560..8f51a4f 100644
--- a/src/cpu/Kconfig
+++ b/src/cpu/Kconfig
@@ -29,6 +29,9 @@
 	bool
 	default y if MAX_CPUS != 1
 	default n
+	help
+	  This option is used to enable certain functions to make coreboot
+	  work correctly on symmetric multi processor (SMP) systems.
 
 # Set MMX and SSE in socket or model if the CPU has them.
 # If all CPUs for the socket have MMX or SSE, set them there.