x86: hpet: print HPET registers during setup (if hpet=verbose is used)

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Mark Hounschell <markh@compro.net>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b182626..01379a8 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -492,10 +492,12 @@
 			Default: 64
 
 	hpet=		[X86-32,HPET] option to control HPET usage
-			Format: { enable (default) | disable | force }
+			Format: { enable (default) | disable | force |
+				verbose }
 			disable: disable HPET and use PIT instead
 			force: allow force enabled of undocumented chips (ICH4,
 			VIA, nVidia)
+			verbose: show contents of HPET registers during setup
 
 	com20020=	[HW,NET] ARCnet - COM20020 chipset
 			Format: