Input: lifebook - add CONFIG_DMI dependency

Lifebook protocol can only be activated if we find known DMI signature.
It is useles without DMI.
Reported-by: Rakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/mouse/Kconfig

@@ -70,7 +70,7 @@ config MOUSE_PS2_SYNAPTICS
 config MOUSE_PS2_LIFEBOOK
 	bool "Fujitsu Lifebook PS/2 mouse protocol extension" if EMBEDDED
 	default y
-	depends on MOUSE_PS2 && X86
+	depends on MOUSE_PS2 && X86 && DMI
 	help
 	  Say Y here if you have a Fujitsu B-series Lifebook PS/2
 	  TouchScreen connected to your system.

drivers/input/mouse/lifebook.c

@@ -44,7 +44,6 @@ static int lifebook_set_6byte_proto(const struct dmi_system_id *d)
 }
 
 static const struct dmi_system_id __initconst lifebook_dmi_table[] = {
-#if defined(CONFIG_DMI) && defined(CONFIG_X86)
 	{
 		/* FLORA-ie 55mi */
 		.matches = {
@@ -118,7 +117,6 @@ static const struct dmi_system_id __initconst lifebook_dmi_table[] = {
 		},
 	},
 	{ }
-#endif
 };
 
 void __init lifebook_module_init(void)