PS clock(LPD_APB_CLK) is default clock for TTC. Add this clock
entry in TTC nodes.
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Mainline Linux kernel has adopted SPDX header license in a different
format then was used before. This patch is syncing it up.
Also update years in License text and remove Nathalie's email because it
is no longer valid.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>