ARM: shmobile: ape6evm-reference: Initialise SCIF device using DT

Initialise SCIF device using DT when booting ape6evm
using DT reference.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --cc arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts
Simple merge

diff --cc arch/arm/mach-shmobile/setup-r8a73a4.c
Simple merge