ARM: dts: msm: Add MHI Satellite channels

Added MHI satellite loopback and IPC router channels
for ADSP and SLPI to device tree.

CRs-Fixed: 2361053
Change-Id: I2b22af08e845114ec3a5b3695a9946778bbc32cf
Acked-by: Bhaumik Vasav Bhatt <bbhatt@qti.qualcomm.com>
Signed-off-by: Tony Truong <truong@codeaurora.org>