usb: cdc-acm: Owen SI-30 support

here is the patch to support Owen SI-30 device.
This is a pulse counter controller.
http://www.owen.ru/en/catalog/93788515

usb-drivers output:
T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  4 Spd=12  MxCh= 0
D:  Ver= 2.00 Cls=02(commc) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=03eb ProdID=0030 Rev=01.01
C:  #Ifs= 2 Cfg#= 1 Atr=c0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=02 Prot=00 Driver=cdc_acm
I:  If#= 1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_acm

This patch is installed on my home system which receives data from this
controller connected to cold water counter.
Signed-off-by: Denis Pershin <dyp@perchine.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/class/cdc-acm.c

@@ -1534,6 +1534,9 @@ static const struct usb_device_id acm_ids[] = {
 	{ NOKIA_PCSUITE_ACM_INFO(0x03cd), }, /* Nokia C7 */
 	{ SAMSUNG_PCSUITE_ACM_INFO(0x6651), }, /* Samsung GTi8510 (INNOV8) */
 
+	/* Support for Owen devices */
+	{ USB_DEVICE(0x03eb, 0x0030), }, /* Owen SI30 */
+
 	/* NOTE: non-Nokia COMM/ACM/0xff is likely MSFT RNDIS... NOT a modem! */
 
 	/* Support Lego NXT using pbLua firmware */