Input: wistron - add signature for Amilo M7400

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 4b415d9b..6ec0598 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -323,6 +323,15 @@
 	},
 	{
 		.callback = dmi_matched,
+		.ident = "Fujitsu-Siemens Amilo M7400",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO M        "),
+		},
+		.driver_data = keymap_fs_amilo_pro_v2000
+	},
+	{
+		.callback = dmi_matched,
 		.ident = "Acer Aspire 1500",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),