iwlwifi: mvm: remove memset of kek_kck command

iwl_mvm_wowlan_program_keys is now setting data directly in
the KEK_KCK command, and the memset is clearing this later,
causing the data to be incomplete.

Just remove the memory clearing, the structure is local and
cleared in the declaration.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201008181047.0f355b4578c5.Ifbb76a2814925f215a2c889c1792d46d5bd66ab8@changeid

drivers/net/wireless/intel/iwlwifi/mvm/d3.c

@@ -870,7 +870,6 @@ static int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
 		else
 			cmd_size = sizeof(struct iwl_wowlan_kek_kck_material_cmd_v2);
 
-		memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd));
 		memcpy(kek_kck_cmd.kck, mvmvif->rekey_data.kck,
 		       mvmvif->rekey_data.kck_len);
 		kek_kck_cmd.kck_len = cpu_to_le16(mvmvif->rekey_data.kck_len);