CDC NCM errata updates for cdc.h

Changes are based on the following documents:
- CDC NCM errata:
http://www.usb.org/developers/devclass_docs/NCM10_012011.zip
- CDC and WMC errata link:
http://www.usb.org/developers/devclass_docs/CDC1.2_WMC1.1_012011.zip



Signed-off-by: Alexey Orishko <alexey.orishko@stericsson.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>