Add a node for BCM4330/3 SDIO chip on SDHCI bus #3 and the required MMC
power sequence node for the Exynos4210-based Trats board.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>