Staging: bcm: Remove typedef for _E_CLASSIFIER_ENTRY_CONTEXT and call directly.

This patch removes typedef for _E_CLASSIFIER_ENTRY_CONTEXT, and
changes the name of the enum to bcm_phs_classifier_context. In
addition, any calls to enum "_E_CLASSIFIER_ENTRY_CONTEXT" are
changed to call directly.

Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>