USB: airprime: add device id for dell wireless 5500 hsdpa card

Added the device id (0x413c, 0x8115) for the Dell wireless HSDPA 5500,
which is a rebranded Novatel EU730.

Signed-off-by: Eagle Jones <eagle@newdream.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>