ARM: dts: msm: move BCL cooling dev configs into sdm670 platform devicetree

The pmic device tree files will be used by multiple platforms with
different core configuration. If BCL cpu cooling devices is configured
on this pmic devicetree, it leads to compilation issue for platform
which shares the same pmic with lesser cores.

Move BCL thermal zone related cooling device configs into sdm670
platform devicetree.

Change-Id: I9d1dd4acce822b50a3ad5d4b6821c097419b1b67
Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@codeaurora.org>