arm64: zynqmp: Fix issue of apps executing from R5 core 1

In current implementation, applications can execute only on R5 core 0.
The boot address for R5 core 1 is not supplied. Pass TCM address for
R5 core 1 based on the argument to fix the issue.

Remove incomplete comment.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/da865717d26648ab7a84345ca8749712efdddee5.1680699999.git.michal.simek@amd.com