net: aquantia: make symbol hw_atl_boards static

Fixes the following sparse warning:

drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c:50:34: warning:
 symbol 'hw_atl_boards' was not declared. Should it be static?

Fixes: 4948293f ("net: aquantia: Introduce new AQC devices and capabilities")
Signed-off-by: NWei Yongjun <weiyongjun1@huawei.com>
Acked-by: NIgor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c

@@ -47,7 +47,7 @@ static const struct pci_device_id aq_pci_tbl[] = {
 	{}
 };
 
-const struct aq_board_revision_s hw_atl_boards[] = {
+static const struct aq_board_revision_s hw_atl_boards[] = {
 	{ AQ_DEVICE_ID_0001,	AQ_HWREV_1,	&hw_atl_ops_a0, &hw_atl_a0_caps_aqc107, },
 	{ AQ_DEVICE_ID_D100,	AQ_HWREV_1,	&hw_atl_ops_a0, &hw_atl_a0_caps_aqc100, },
 	{ AQ_DEVICE_ID_D107,	AQ_HWREV_1,	&hw_atl_ops_a0, &hw_atl_a0_caps_aqc107, },