audio-hal: gef: Remove access check for gef library

- access function needs absolute path of the library for which
access permissions are to be checked.
- This would need two different library paths for 64-bit and 32-bit
architectures.
- To avoid this, avoid access check and rely on the dlopen error.

Change-Id: Idbcc4f5a848b528a8e90382e40017b078fbd9996