SAMA5:  Some improvements to the HSCMI card removal/insertion logic
Add untested OHCI driver for the SAMA5; structure naming and header files for USB host initialization prototypes
SAMA5:  Add support for initialization of the USB host and mass storage class
SAMA5:  Add logic to control VBUS power for OHCI
First of several changes needed to support multiple USB host root hubs
Convert olimex-stm32-p107/nsh configuration to use kconfig-frontends tool.  From Max Holtzberg
More changes to USB host interface to support multiple downstream ports
stm32/Make: fix typo in stm32f3 i2c target
stm32f3 i2c: fix missing sendstart

This is required for WRITEREAD.
./arch/arm/src/stm32/Kconfig: remove bogus DAC1 timer freq range