x86: mark x86_64 as having a working WP.

Select X86_WP_WORKS_OK for x86_64 too.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 3d22bb8..abff1b8 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -344,7 +344,7 @@
 
 config X86_WP_WORKS_OK
 	def_bool y
-	depends on X86_32 && !M386
+	depends on !M386
 
 config X86_INVLPG
 	def_bool y