mips: Fix dtb build rules
...
Add intermediate .S files to .SECONDARY. Otherwise make deletes them
and regenerates them each build.
Also remove KBUILD_DTBS since the make system descends in dts/ anyway.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Sascha Hauer
committed
on 11 Jun 2014