ARM: dts: msm: Correct PCIe bus master ID for CNSS

Since QCA6174 is connected to PCIe RC1 instead of RC0 in MSM8994, correct
the bus master ID for CNSS, otherwise it will vote for wrong bus master
in certain features.

Change-Id: I731e1e3b4ed59f4844db7d26861f100254e61697
CRs-fixed: 740716
Signed-off-by: Yue Ma <yuem@codeaurora.org>