defconfig: lito: Disable thermal driver

thermal driver has dependency on schedular APIs which are not yet
present on msm-4.19. Disable the thermal driver to fix compilation
errors.

Change-Id: Ia59fec416a3f04bee33e12d1a2da97805f242898
Signed-off-by: Channagoud Kadabi <ckadabi@codeaurora.org>