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

This patch removes typedef for _E_PHS_DSC_ACTION, and
changes the name of the enum to bcm_phs_dsc_action.

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