ARM: dts: qcom: Remove dependency on the skeleton dt file

Lito need not to use the skeleton dt file. The required nodes
can be added directly in the respective dt files.

Change-Id: I7aa89dff30b034eec4ffd92a2b37de31e9b81304
Signed-off-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>