xilinx: Allow alternative boot strategies in zynq-common.h

Allow config headers that include zynq-common.h to provide their own
(distro) boot strategies. This is implemented by skipping the section
when BOOT_ENV has already been defined.

Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Link: https://lore.kernel.org/r/20250312153741.24007-1-mike.looijmans@topic.nl
Signed-off-by: Michal Simek <michal.simek@amd.com>
1 file changed