xilinx: zynqmp: Do not use 0 as spl bss start address

Do not use 0 as address for memory because of the special meaning for
pointers (null pointer). Change the spl bss start address to the second
page.

Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Link: https://lore.kernel.org/r/20220714134733.7487-1-stefan.herbrechtsmeier-oss@weidmueller.com


Signed-off-by: Michal Simek <michal.simek@amd.com>