msm: hdmi-tx: describe unique device properties
msm: hdmi-tx: describe unique device properties

Instead of providing generic description for device properties used by
HDMI Tx controller, provide unique description with its associated usage.

Change-Id: If0fe0df69f8190afa1694648662e4604671efa39
Signed-off-by: Ujwal Patel <168a6a722f36cbfb19d9b32bbc952ac3ffb3b983@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas