rcar_gen3: drivers: scif: Add D3 support
rcar_gen3: drivers: scif: Add D3 support

Add SCIF configuration specifics for the D3 SoC, that is detection
of the D3 SoC and SCBRR configuration.

Signed-off-by: Marek Vasut <bcf2901fa1b128a7a3f88ee031c46807a29aa29d@gmail.com>

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware