Describe in documentation few methods that can be used by
users to flash the ArgonKey with a binary image.
Signed-off-by: Armando Visconti <armando.visconti@st.com>
ArgonKey board is a 96boards sensor hub platform for all 96Boards
compliant family products. The ArgonKey packs a Cortex-M4 chip
together with a set of motion, environmental and ambiental sensors
and can be used as a development platform for many different
applications.
Signed-off-by: Armando Visconti <armando.visconti@st.com>