ARM: zynq: Add u-boot,dm-pre-reloc to scutimer

commit 2319d206d1284d04d9f82b39d06cb9e786b225ad from
https://github.com/Xilinx/linux-xlnx.git xlnx_rebase_v6.1

This change is coming from U-Boot where twd driver has been converted to DM
model where this flag is needed. For more information please take a look at
https://lore.kernel.org/r/20220805061629.1207-1-stefan.herbrechtsmeier-oss@weidmueller.com

.

Signed-off-by: Michal Simek <michal.simek@amd.com>
State: pending
Signed-off-by: Quanyang Wang <quanyang.wang@windriver.com>