iwlagn: move iwl_suspend / iwl_resume to the transport layer

These flows needs to access the APM and a few other registers that can differ
between different transports.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --cc drivers/net/wireless/iwlwifi/iwl-agn.c
Simple merge

diff --cc drivers/net/wireless/iwlwifi/iwl-core.c
Simple merge

diff --cc drivers/net/wireless/iwlwifi/iwl-dev.h
Simple merge

diff --cc drivers/net/wireless/iwlwifi/iwl-pci.c
Simple merge

diff --cc drivers/net/wireless/iwlwifi/iwl-power.c
Simple merge

diff --cc drivers/net/wireless/iwlwifi/iwl-shared.h
Simple merge

diff --cc drivers/net/wireless/iwlwifi/iwl-trans.c
Simple merge

diff --cc drivers/net/wireless/iwlwifi/iwl-trans.h
Simple merge