Bluetooth: Controller: Inherit BT_ISO_TX_BUF_COUNT value

Inherit BT_ISO_TX_BUF_COUNT value when BT_ISO is enabled
to set BT_CTLR_ISO_TX_BUFFERS count.

Signed-off-by: Vinayak Kariappa Chettimada <[email protected]>

Author: cvinayak

subsys/bluetooth/controller/Kconfig

@@ -221,6 +221,7 @@ config BT_CTLR_ISO_TX_BUFFERS
 	int "Number of Isochronous Tx buffers"
 	depends on BT_CTLR_ADV_ISO || BT_CTLR_CONN_ISO
 	range 1 19
+	default BT_ISO_TX_BUF_COUNT if BT_ISO
 	default 3
 	help
 	  Set the number of Isochronous Tx PDUs to be queued for transmission