fdt_support: Fix comment for fdt_create_phandle()

This function does not necessarily create a new phandle. If a phandle
exists, no new phandle is created.

Signed-off-by: Marek BehĂșn <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
1 file changed