msm: kgsl: Move LM HFI after LM initialization

The LM HFI informs the GMU firmware to initialize LM in
firmware. But it should be done after setting the power
threshold.

Change-Id: I2fd63aed9bc775e517162ba31a2d7267271d8e2b
Signed-off-by: Harshdeep Dhatt <hdhatt@codeaurora.org>