msm: adsprpc: Incorporate coding style comments

Remove goto statements to bail out from inside the macro
and unnecessary defines. Cleanup on module init failure.

Change-Id: Id8734bd44ede26be96105cda7e220555e1572eec
Acked-by: Sathish Ambley <sambley@qualcomm.com>
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>