msm: board-8916: Add thermal drivers device init for early init

Add the kernel thermal drivers device probe function call
to enable early initialization. This enables thermal driver
to poll the temperature sensors and mitigate during the
early boot.

Change-Id: Id3de2cfe3ec38e8a50fd97dd0c6e980f8daa0f36
Signed-off-by: Anji Jonnala <anjir@codeaurora.org>