msm: ADSPRPC: Update driver to create its own device node
msm: ADSPRPC: Update driver to create its own device node

Create device node under /dev/adsprpc-smd. Users no longer have to run
mknod after the driver is installed.

Change-Id: I5f5ae4dafc37ce8e87ef2c91358be9bfd5934b8a
Acked-by: Anatoly Yakovenko <4f54676b27170df77f024054cde3fc9113a713be@qti.qualcomm.com>
Signed-off-by: Mitchel Humpherys <5070267e141ca308fc855217ddbeaf20e729a7bf@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas