doc: fix hns3 build option about max queue number

[ upstream commit f64a879dbb1f8b508d9cf25dd4a252597f72864c ]

This patch fixes the description of compilation option about setting max
queue number. The maximum queue number of HIP09 and HIP10 is determined
by the RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF and the value the firmware
report.

Fixes: 21938cf ("doc: add build config option in hns3 guide")

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Acked-by: Jie Hai <haijie1@huawei.com>

doc/guides/nics/hns3.rst

@@ -58,7 +58,8 @@ The following options can be modified in the ``config/rte_config.h`` file.
 
 - ``RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF`` (default ``256``)
 
-  Number of MAX queues reserved for PF.
+  Number of MAX queues reserved for PF on HIP09 and HIP10.
+  The MAX queue number is also determined by the value the firmware report.
 
 Runtime Config Options
 ~~~~~~~~~~~~~~~~~~~~~~