msm: mdss: hdmi: pll settings for vesa formats

Add pll settings for VESA formats at pixel frequencies
of 65MHz and 108MHz. These pixel frequencies are
required to support VESA(DVI) video formats, in
particular, add support for 1024x768p and 1280x1024p
video formats. These formats are supported on many
existing monitors.

Change-Id: I5f8368d12a8dc5b13342e6ffc87a6545f8d2b179
CRs-Fixed: 438028
Signed-off-by: Manoj Rao <manojraj@codeaurora.org>