iwlwifi: fix otp access init

Polling function returns positive time if polling was needed to
read value. This is still success.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
CC: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-eeprom.c

@@ -240,14 +240,12 @@ static int iwl_init_otp_access(struct iwl_priv *priv)
 	if (ret < 0)
 		IWL_ERR(priv, "Time out access OTP\n");
 	else {
-		if (!ret) {
 		iwl_set_bits_prph(priv, APMG_PS_CTRL_REG,
 				  APMG_PS_CTRL_VAL_RESET_REQ);
 		udelay(5);
 		iwl_clear_bits_prph(priv, APMG_PS_CTRL_REG,
 				    APMG_PS_CTRL_VAL_RESET_REQ);
 	}
-	}
 	return ret;
 }