[RFC] added hdcp driver in hdmi

Hi All. This patch supports HDCP feature in Exynos DRM HDMI. We enhaced feature of HDCP for content protection. please check my commit and If you have any opinion of this patch. please give comment to me. HDCP stands for High-bandwidth Digital Content Protection. contains an integrated HDCP encry

[RFC] added hdcp driver in hdmi

Hi All. This patch supports HDCP feature in Exynos DRM HDMI. We enhaced feature of HDCP for content protection. please check my commit and If you have any opinion of this patch. please give comment to me. HDCP stands for High-bandwidth Digital Content Protection. contains an integrated HDCP encry