ARM: dts: msm: update the new HDMI splash address on msm8996

HDMI continuous splash memory addrerss has been changed in bootloader.
This change updates the splash memory address to support the smooth
LK to kernel handoff.

Change-Id: If9c8f20b8215a4ea835b0e070feb2b51364772e6
Signed-off-by: Rahul Sharma <sharah@codeaurora.org>