Added Support for QSPI Flash#1

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ThomasGmeinder wants to merge 3 commits intoxcalger:masterfrom

ThomasGmeinder:master

Commits on Jan 21, 2016

Removed unwanted binary files and eclipse metadata files
ThomasGmeinder
committed
Updated to support Quad SPI Flash. Tested on xCORE-200 MC Audio Board.
ThomasGmeinder
committed
Improved the Makefile
ThomasGmeinder
committed