Add support and rewrote some parts with the help of vendor information
(Thanks to Steve Chang from WideView, Inc.):

o added support for the WT-220U (Pensize DVB-T receiver)
o corrected byte order for unc,ber and the pid filter
o corrected number of pids that can be fetched at the same time.
o added some comments in Kconfig-file
o added USB IDs for the WT-220U
Signed-off-by: NPatrick Boettcher <pb@linuxtv.org>
Signed-off-by: NJohannes Stezenbach <js@linuxtv.org>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

o Steve Chang reported the real name behind 0x14aa: WideView,
  changed USB IDs accordingly.
o fixed an assignment
Signed-off-by: NPatrick Boettcher <pb@linuxtv.org>
Signed-off-by: NJohannes Stezenbach <js@linuxtv.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

Add generalized dvb-usb driver which supports a wide variety of devices.
Signed-off-by: NPatrick Boettcher <pb@linuxtv.org>
Signed-off-by: NJohannes Stezenbach <js@linuxtv.org>
Signed-off-by: NRandy Dunlap <rdunlap@xenotime.net>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>