Differential D20059

loader: fdt: Add fdt_is_setup function
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Authored by manu on Apr 25 2019, 7:10 PM.

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kevans

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rS346701: loader: fdt: Add fdt_is_setup function

Summary

When efi_autoload is called it will call fdt_setup_fdtp which setup the
dtb and overlays. If a user already loaded at dtb or overlays or just
printed the efi provided dtb, this will re-setup everything and also
re-applying the overlays.
Test that everything is setup before doing it again.