Move more functions only used by agn driver from iwlcore to iwlagn.
Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: NReinette Chatre <reinette.chatre@intel.com>

Identify the tx functions only used by agn driver and move those from
iwlcore to iwlagn.
Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: NReinette Chatre <reinette.chatre@intel.com>

Multiple iwlagn based devices shared the same hw definitions.
Move device hardware related defines from iwl-5000-hw.h to iwl-agn-hw.h
file.
Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: NReinette Chatre <reinette.chatre@intel.com>

Multiple iwlagn based devices shared the same tansmit queue functions.
Move tx queue related code from iwl-5000.c to iwl-agn-tx.c file.
Signed-off-by: NWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: NReinette Chatre <reinette.chatre@intel.com>