GCC 4.4 and before do not support a message associated to the
"deprecated" gcc attribute. Since such messages are not that useful in
the context of Buildroot, this commit adds a patch that removes them
in the attr source code.
Signed-off-by: Hollis Blanchard <hollis_blanchard@mentor.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
