config: enable regulator, MDT_LOADER & TMPFS configs for kona & lito

This change enables regulator config, QCOM_MDT_LOADER config and
TMPFS config from defconfig files and removes dependency
from msm drm driver config.

Change-Id: I37b597470027a453792f8db68f0b8208d0fe3746
Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>