GLINK PKT provides a userspace interface to RPMSG GLINK through
character device nodes. Add the loopback node and corresponding
channel device to enable GLINK communication from userspace to
communicate with loopback test server.
Change-Id: I2ba608d21b3898f77857035fb214bcb8e49bb596
Signed-off-by: Pranav Mahesh Phansalkar <quic_pphansal@quicinc.com>