ARM: dts: msm: correct clock header file and move to right place

Correct clock header file from msm-clocks-8953.h to
msm-clocks-8952.h for msm8937, move it to right
place. And delete unnecessary header files.

Change-Id: I6fe2b3bd87e0911695f6391796320f4b0b96d40a
Signed-off-by: Jingbiao Lu <jingbiao@codeaurora.org>