arm64: zynqmp: Do not use hardcoded address in do_zynqmp_reboot()

multi_boot is already the part of csu_base structure that's why use it
directly instead of using register offset value.

Fixes: fc001432e5b0 ("arm64: zynqmp: Add u-boot command to boot into recovery image")
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/3e5c6ea426b81cc73b90e6425764e41a98deb2a6.1733735454.git.michal.simek@amd.com
1 file changed