msm: cvp: Port CVP driver to 5.x kernel

Add new CVP feature support. Make CVP driver work with 5.x kernel:

Modified bus and ion function calls. Modified synx and firmware
version function calls. Demodulized CPU-DSP driver interface. Added
Lahaina platform configuration. Enable building CVP driver as DLKM.

Change-Id: I8a0a21b3ae87c19bf4e59bed16e9dba304503cc6
Signed-off-by: George Shen <sqiao@codeaurora.org>