mach-zynqmp: handoff: Add missing header

Add missing prototype to fix the sparse warning.
warning: no previous prototype for 'bl2_plat_get_bl31_params'
[-Wmissing-prototypes]

Signed-off-by: Algapally Santosh Sagar <santoshsagar.algapally@amd.com>
Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com>
Link: https://lore.kernel.org/r/20230519113816.22083-3-venkatesh.abbarapu@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
1 file changed