ARM: dts: exynos5250: Add eDP/LVDS bridge to Spring

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
[AF: Redone for v6]
Signed-off-by: Andreas Färber <afaerber@suse.de>
TEST_ONLY: Disable dp-controller, lvds-bridge, panel

Signed-off-by: Andreas Färber <afaerber@suse.de>
ARM: dts: exynos5250: Add trackpad to Spring

Signed-off-by: Andreas Färber <andreas.faerber@web.de>
TEST_ONLY: iommu: exynos: Add "mmu-masters" support

As the generic iommu dt-bindings are under discussion, we
can use the previous "mmu-masters" implementation as a hack
to enable the exynos/iommu functionality.

Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
ARM: dts: add System MMU nodes of Exynos SoCs

This patch is a squashed version of posted patches -
ARM: dts: add System MMU nodes of exynos4 series
ARM: dts: add System MMU nodes of exynos4210
ARM: dts: add System MMU nodes of exynos4x12
ARM: dts: add System MMU nodes of exynos5250
ARM: dts: add System MMU nodes of exynos5420

Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>