Be consistent in how board docs are named and move all to index.rst.
This will make the URL to the board documentation predictable and easier
to remember.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
The EFM32 Happy Gecko USB-enabled kit contains sensors and
peripherals demonstrating some of the EFM32HG MCU capabilities.
This patch add basic support for this board.
Signed-off-by: Marcio Montenegro <mtuxpe@gmail.com>
Signed-off-by: Christian Taedcke <hacking@taedcke.com>
