ARM: dts: msm: Remove q6 axi clock from LPASS PIL node for MSM8992

The PIL driver does not need to control the gcc_lpass_q6_axi_clk anymore.
Remove it from the list of clocks required during the LPASS PIL sequence.

Change-Id: Iba512938a36cc6040c809ef5898334e388cb1f54
Signed-off-by: Pushkar Joshi <pushkarj@codeaurora.org>