Sync sun8i-r40.dtsi changes from Linux with

Merge: a406778618d0 088345fc3553
Author: Stephen Rothwell <sfr@canb.auug.org.au>
Date:   Tue Apr 24 14:15:02 2018 +1000

    Merge branch 'akpm/master'
Signed-off-by: NJagan Teki <jagan@amarulasolutions.com>