ARM: dts: msm: fix JDI 4K non-fbc panel configuration for 8996

Update the phy timing parameters based on corresponding HW
recommendations. Add the panel the list of supported panels
on 8996 with continuous splash feature enabled.

Change-Id: I603c67fa8a58a60b564256b024baff5154160507
Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>