Add Qemu logo to qemu boards and expand intro. Signed-off-by: Anas Nashif <anas.nashif@intel.com>
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>
Add the missing board documentation for qemu_nios2. Fixes #3363 Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>