iwlwifi: mvm: change the name of init_ucode_run flag

In RF KILL the init ucode is running, but don't complete
all its tasks, so we need to run the init ucode again.
Change the flag name to init_ucode_complete, to be more appropriate.

Signed-off-by: Eytan Lifshitz <eytan.lifshitz@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>