The root node of the OF device tree is exported as of_root. No need to
look up the root by path name. Instead just get a reference directly via
of_root.
Signed-off-by: NTyrel Datwyler <tyreld@linux.vnet.ibm.com>
Reviewed-by: NJohannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>