of/documentation: move video device bindings to a common place

Binding Documents for drm-devices are placed in
Documentation/devicetree/bindings/drm/*. But these devices are common
for v4l framework, hence moved to a common place at
Documentation/devicetree/bindings/video/. 'exynos_' prefix is added to
associate them with exynos soc series.

Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/Documentation/devicetree/bindings/drm/exynos/hdmi.txt b/Documentation/devicetree/bindings/video/exynos_hdmi.txt
similarity index 100%
rename from Documentation/devicetree/bindings/drm/exynos/hdmi.txt
rename to Documentation/devicetree/bindings/video/exynos_hdmi.txt

diff --git a/Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt b/Documentation/devicetree/bindings/video/exynos_hdmiddc.txt
similarity index 100%
rename from Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt
rename to Documentation/devicetree/bindings/video/exynos_hdmiddc.txt

diff --git a/Documentation/devicetree/bindings/drm/exynos/hdmiphy.txt b/Documentation/devicetree/bindings/video/exynos_hdmiphy.txt
similarity index 100%
rename from Documentation/devicetree/bindings/drm/exynos/hdmiphy.txt
rename to Documentation/devicetree/bindings/video/exynos_hdmiphy.txt

diff --git a/Documentation/devicetree/bindings/drm/exynos/mixer.txt b/Documentation/devicetree/bindings/video/exynos_mixer.txt
similarity index 100%
rename from Documentation/devicetree/bindings/drm/exynos/mixer.txt
rename to Documentation/devicetree/bindings/video/exynos_mixer.txt