omap4xxx: Locate kernel headers

omap4xxx comes with a set of needed kernel headers - but without
the right compiler flags to find them.

Change-Id: I2dba67cfc4c752e79011c270519c0cbe48b94ea8
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
1 file changed