iwlwifi: mvm: fixes for 8000 NVM flow

The nvm_file should be loaded by default for SDIO
procucts only. Change the configuration accordingly.
While at it, fix a typo in the device name.

Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --cc drivers/net/wireless/iwlwifi/iwl-8000.c
Simple merge

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