arm: socfpga: Move generated files into qts subdir

Move all the files generated by Quartus into the qts/ subdir of the
board/altera/socfpga dir to make them explicitly separate from the
generic U-Boot code.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
9 files changed