Bluetooth: Controller: Fix define in HCI Command Tx Count calculation

Use the correct define in the HCI Command Tx buffer count
calculation. There is no change in the calculated value.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>

Author: cvinayak

subsys/bluetooth/common/hci_common_internal.h

@@ -97,6 +97,6 @@ BUILD_ASSERT(IS_ENABLED(CONFIG_BT_CTLR_HCI_NUM_CMD_PKT_MAX),
 #define BT_BUF_HCI_ACL_RX_COUNT (BT_BUF_RX_COUNT)
 
 /* Controller-only with Controller to Host data flow control */
-#define BT_BUF_CMD_TX_COUNT     (BT_BUF_RX_COUNT + CONFIG_BT_CTLR_HCI_NUM_CMD_PKT_MAX)
+#define BT_BUF_CMD_TX_COUNT     (BT_BUF_HCI_ACL_RX_COUNT + CONFIG_BT_CTLR_HCI_NUM_CMD_PKT_MAX)
 
 #endif /* CONFIG_BT_HCI_ACL_FLOW_CONTROL */