uboot-imx

libfdt: Remove no longer used code from fdt_node_offset_by_compatible()

Since fdt_node_offset_by_compatible() was converted to the new
fdt_next_node() iterator, a chunk of initialization code became
redundant, but was not removed by oversight.  This patch cleans it up.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>