[PATCH 3/3] of: overlay: add overlay symbols to live device tree

From: Frank Rowand Add overlay __symbols__ properties to live tree when an overlay is added to the live tree so that the symbols are available to subsequent overlays. Expected test result is new __symbols__ entries for labels from the overlay after the patch is applied.

[PATCH 3/3] of: overlay: add overlay symbols to live device tree

From: Frank Rowand Add overlay __symbols__ properties to live tree when an overlay is added to the live tree so that the symbols are available to subsequent overlays. Expected test result is new __symbols__ entries for labels from the overlay after the patch is applied. Before this patch is