defconfig: msm8994: Enable LMH Monitor driver

Enable the LMH monitor driver for MSM8994.

This driver is used for providing abstraction between
the thermal sysfs framework and the LMH hardware driver.

CRs-Fixed: 704088
CRs-Fixed: 698387
Change-Id: I8731cb3466b2152f2996d905d05a0c248dd0b74e
Signed-off-by: Ram Chandrasekar <rkumbako@codeaurora.org>