Update README.md
Update README.md
[KL25Z] Fix us_ticker_api implementation and improve documentation
Add LPC812 target. Update tests. Remove obsolete documentation. Move shared code among targets to target independent layer.
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
add USBHost library
[LPC812] Add serial_api implementation. Make sure to always pull in the stdio retargeting module. Remove redundant stdio serial initialization.
Fix GCC build including define of ARMCC intrinsic __disable_irq

Change-Id: I13ca92e54d8f752cca18f5c75ac026526419edbe
usbhost: fixed skip bits/max size conf descriptor
[KL25Z] Improve division by constant integer in us_ticker implementation.
add pyOCD: debugging over cmsis-dap using python
rename README -> README.md
update debugger/README
modify debugger/README
[KL25Z] Use channel 0 as a prescaler for channel 1
[pyOCD]: fixed bInterfaceNumber in pyusb backend