HID: roccat: add support for Ryos MK keyboards

Added support for 3 keyboards with increasing illumination capabilities

Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index f0296a5..768fafc 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -726,6 +726,9 @@
 #define USB_DEVICE_ID_ROCCAT_LUA	0x2c2e
 #define USB_DEVICE_ID_ROCCAT_PYRA_WIRED	0x2c24
 #define USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS	0x2cf6
+#define USB_DEVICE_ID_ROCCAT_RYOS_MK	0x3138
+#define USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW	0x31ce
+#define USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO	0x3232
 #define USB_DEVICE_ID_ROCCAT_SAVU	0x2d5a
 
 #define USB_VENDOR_ID_SAITEK		0x06a3