samples: w25q80bl: Add a README file

It should be made clear that this example is specific to the Quark SE
development board.

Change-Id: Ia3e0ec728891eb586bf1461ae9103ce34fd5e24f
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
This commit is contained in:
Vinicius Costa Gomes 2016-02-22 14:51:50 -03:00 committed by Gerrit Code Review
commit aab47a4e15

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SPI W25Q80BL Sample Application
===============================
This sample application illustrates how to use the SPI APIs from
Zephyr. The target device is present in the Quark SE development board
and requires the use of a GPIO pin as Chip Select to function.
The application is very simple. It simples reads the manufacturer and
device identification from the device.