soc: qcom: bam_dmux: Use proper name in DT binding

"Qualcomm Tecnhologies, Inc." is the proper name to use in attributing
device tree bindings.  Update the bam_dmux binding accordingly.

Change-Id: I6c1d0fc985e9ad3c80695ac3f26398bd4a0b2768
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>