qcacld-3.0: Replace typedef dphHashTableClass

The naming and usage of typedef dphHashTableClass does not conform to
the Linux coding style, so replace it with struct dph_hash_table.
Rename dph_hash_table_class_init() as well to match the new naming.

Change-Id: I38df3c01736dfbeff3d51be05582ebfe69c1353b
CRs-Fixed: 2361805
8 files changed