V4L/DVB: Add Elgato EyeTV Diversity to dibcom driver

This patch introduces support for DVB-T for the following dibcom
based card: Elgato EyeTV Diversity (USB-ID: 0fd9:0011)

Support for the Elgato silver IR remote is added too (set parameter
dvb_usb_dib0700_ir_proto=0)

[w.sang@pengutronix.de: rebased to current linuxtv-master]
Signed-off-by: Michael Müller <mueller_michael@alice-dsl.net>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>