qed: Make symbol 'qed_hw_err_type_descr' static

Fix sparse build warning:

drivers/net/ethernet/qlogic/qed/qed_main.c:2480:6: warning:
 symbol 'qed_hw_err_type_descr' was not declared. Should it be static?
Signed-off-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qed/qed_main.c

@@ -2451,7 +2451,7 @@ void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
 		ops->schedule_recovery_handler(cookie);
 }
 
-char *qed_hw_err_type_descr[] = {
+static char *qed_hw_err_type_descr[] = {
 	[QED_HW_ERR_FAN_FAIL]		= "Fan Failure",
 	[QED_HW_ERR_MFW_RESP_FAIL]	= "MFW Response Failure",
 	[QED_HW_ERR_HW_ATTN]		= "HW Attention",