ARM: dts: msm: Remove unsupported master port for cpufreq on apq8084

There is only one master port instead of two from cpu to memory. Therefore,
remove the second master port to allow successfully register bus voting
client.

Change-Id: I9345aad848c1326bf2d76cc63c6faf81145d01b4
Signed-off-by: Tianyi Gou <tgou@codeaurora.org>