Revert "board-ruby: add ION defines"

This reverts commit 4c30e8177e867d39acd4401582bcbf873afcc7ab.
Linux 3.0.75

Change-Id: I3cd079ed9682afccbf531985104a30491950db98
Signed-off-by: Rohan Mathur <rohanmathur34@gmail.com>
Linux 3.0.76

Change-Id: If9b9086bea2d18a9eccfbf7a7746f4f346e6b0e9
Signed-off-by: Rohan Mathur <rohanmathur34@gmail.com>
Threw in some optimization flags for the GPU driver
Linux 3.0.77

Signed-off-by: Sultanxda <sultanxda@gmail.com>

Conflicts:
	fs/ext4/Kconfig