openocd.rules: match CMSIS DAP devices by product string

openocd.rules: match CMSIS DAP devices by product string

Since the standard requires to have "CMSIS-DAP" somewhere in product
string, use that to automatically match all the compliant adapters.

Change-Id: I1e2ac088333a7d69a136af825248914339debdd8
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2082
Tested-by: jenkins
Reviewed-by: Jörg Wunsch <openocd@uriah.heep.sax.de>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>