ARM: shmobile: bockw-reference: Initialise SCIF device using DT

Initialise SCIF device using DT when booting bockw
using DT reference.

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --cc arch/arm/boot/dts/r8a7778-bockw-reference.dts
Simple merge

diff --cc arch/arm/mach-shmobile/setup-r8a7778.c
Simple merge