bugID:18350314:[bt] Config BT tx/rx default buffer count to 3,sync with zephyr.
#define CONFIG_BT_RX_BUF_COUNT 5
#else
#ifndef CONFIG_BT_RX_BUF_COUNT
-#define CONFIG_BT_RX_BUF_COUNT 10
+#define CONFIG_BT_RX_BUF_COUNT 3
#endif
#endif
#undef CONFIG_BT_L2CAP_TX_BUF_COUNT
#define CONFIG_BT_L2CAP_TX_BUF_COUNT 3
#else
-#define CONFIG_BT_L2CAP_TX_BUF_COUNT 10
+#define CONFIG_BT_L2CAP_TX_BUF_COUNT 3
#endif
#endif
