conf: Add conf-notes.txt to display microchip machines/images
conf: Add conf-notes.txt to display microchip machines/images

Once TEMPLATECONF, defined in poky/.templateconf, points to config/ ,
this conf-notes.txt will be shown once the yocto environment is in
place. This will show the michochip machines and images added by this
yocto layer.

Signed-off-by: Codrin Ciubotariu <97034fe81dd68ee5e1fa3aa6216f6373b034daef@microchip.com>

linux4sam/meta-atmel,linux4sam/meta-atmel,linux4sam/meta-atmel,linux4sam/meta-atmel,linux4sam/meta-atmel