Revert "ARM: dts: msm: Enable splash logo for msm8939"

This reverts commit 858be94f.
Revert this change as it is causing device boot up issue on
32 bit builds.

Change-Id: I3d30c64bcd20d80d95d2bff6b303b7251e86c903
Signed-off-by: Jayant Shekhar <jshekhar@codeaurora.org>