SAMA5 OHCI:  Fix some problems with D-Cache coherency and physical addressing related to interrupt endpoints

SAMA5 OHCI:  When UPLL drives OHCI the logically correct divider of 10 does not work;  But a divider of 5 does.  Why?

A consequence of previous change:  Configurations that select a PHY also need to set CONFIG_NETDEVICES or PHY configuration will be lost on the next reconfiguration

SAMA5:  Add support EHCI/OHCI to sama5d3x-ek/demo (does not work yet); Fix some EHCI/OHCI compilation issues when DEBUG is disabled

Fix warnings in USB MSC when compiled for a high speed device; also fix USB MSC default VID/PID configuration

Extend USB trace logic.  When we are configured to decode and stringify trace data, de-stringification support is not included for class driver trace output

CDC/ACM and PL2303 device drivers:  Don't use the max packet size assigned to an endpoint in order to determine the request buffer size.  The endpoint has not yet been configured that max packet size may be wrong.

Initial cut of a driver for the TI CC3000 network module with support on the Freescale KL25Z board from Alan Carvalho de Assis