vt: add documentation for new boot/sysfs options

Add description to Documentation/kernel-parameters.txt on new options
default_blue, default_grn, default_red, and default_utf8.

Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index bebebe4..6b8ad06 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -496,6 +496,30 @@
 			Format: <area>[,<node>]
 			See also Documentation/networking/decnet.txt.
 
+	default_blu=	[VT]
+			Format: <blue0>,<blue1>,<blue2>,...,<blue15>
+			Change the default blue palette of the console.
+			This is a 16-member array composed of values
+			ranging from 0-255.
+
+	default_grn=	[VT]
+			Format: <green0>,<green1>,<green2>,...,<green15>
+			Change the default green palette of the console.
+			This is a 16-member array composed of values
+			ranging from 0-255.
+
+	default_red=	[VT]
+			Format: <red0>,<red1>,<red2>,...,<red15>
+			Change the default red palette of the console.
+			This is a 16-member array composed of values
+			ranging from 0-255.
+
+	default_utf8=   [VT]
+			Format=<0|1>
+			Set system-wide default UTF-8 mode for all tty's.
+			Default is 0 and by setting to 1, it enables UTF-8
+			mode for all newly opened or allocated terminals.
+
 	dhash_entries=	[KNL]
 			Set number of hash buckets for dentry cache.