src/mainboard/asrock/e350m1: Properly indent devicetree.cb

Trivial: clean up spaces to tabs to properly indent devicetree.cb

Change-Id: Id5577139cfa039898af3b2158fdd6869ac9d2ec1
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5612
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
1 file changed