qtnfmac: pearl: pcie: fix memory leak in qtnf_fw_work_handler

In case memory resources for fw were succesfully allocated, release
them before jumping to fw_load_fail.

Addresses-Coverity-ID: 1466092 ("Resource leak")
Fixes: c3b2f7ca ("qtnfmac: implement asynchronous firmware loading")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c

@@ -1185,6 +1185,10 @@ static void qtnf_fw_work_handler(struct work_struct *work)
 	if (qtnf_poll_state(&priv->bda->bda_ep_state, QTN_EP_FW_LOADRDY,
 			    QTN_FW_DL_TIMEOUT_MS)) {
 		pr_err("card is not ready\n");
+
+		if (!flashboot)
+			release_firmware(fw);
+
 		goto fw_load_fail;
 	}