USB: cypress_m8: add UPS Powercom (0d9f:0002)

Add support for UPS Powercom USB interface (0d9f:0002) in chip CY7C63723.
In my case, this Powercom BNT800AP.

Signed-off-by: Dmitry Shapin <shapin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h
index e1c7c27..0388065 100644
--- a/drivers/usb/serial/cypress_m8.h
+++ b/drivers/usb/serial/cypress_m8.h
@@ -19,6 +19,10 @@
 #define VENDOR_ID_CYPRESS		 0x04b4
 #define PRODUCT_ID_CYPHIDCOM		 0x5500
 
+/* Powercom UPS, chip CY7C63723 */
+#define VENDOR_ID_POWERCOM		 0x0d9f
+#define PRODUCT_ID_UPS			 0x0002
+
 /* Nokia CA-42 USB to serial cable */
 #define VENDOR_ID_DAZZLE		0x07d0
 #define PRODUCT_ID_CA42			0x4101