msm: thermal: Add multi-platform support for KTM

Add multi-platform support to KTM, by cleaning up certain data types,
by removing deprecated header and adding support for KTM IOCTL for
compat platform.

Change-Id: I7816135a7b7e851f47801475949533579f22f770
Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@codeaurora.org>