README.Windows: clarify the kernel drivers installation
HID and composite devices need to be mentioned explicitly due to
windows oddities.
Change-Id: I7cdbaa50c60ceb1950c934e0249986d46c875cff
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2506
Tested-by: jenkins
Reviewed-by: Xiaofan <xiaofanc@gmail.com>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>