soc: qcom: glink_pkt: Rename glink_pkt from msm_glink_pkt

Move the devicetree bindings to the qcom bindings directory to match
with the other glink drivers. Remove redundant msm naming of driver.

Change-Id: Ia51c45a72c625b377f38688995f819ef50f6709a
Signed-off-by: Chris Lew <clew@codeaurora.org>