dm: core: Avoid calling dm_scan_fdt_dev() with of-platdata

We cannot call dm_scan_fdt_dev() with of-platdata since there is no device
tree. Fix this with an #if check.

Fixes: 3be9a37 (dm: syscon: scan sub-nodes of the syscon node)
Signed-off-by: Simon Glass <sjg@chromium.org>
1 file changed