Bluetooth: Controller: Fix missing lazy calculation for Central ISO

Fix missing lazy calculation when using ticker interface
required for Central CIS create.

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

Author: cvinayak

subsys/bluetooth/controller/Kconfig.ll_sw_split

@@ -53,7 +53,7 @@ config BT_LLL_VENDOR_NORDIC
 				   (BT_OBSERVER && BT_CTLR_ADV_EXT)
 	select BT_TICKER_REMAINDER if BT_CTLR_CENTRAL_ISO
 	select BT_TICKER_REMAINDER_GET if BT_BROADCASTER && BT_CTLR_ADV_EXT
-	select BT_TICKER_LAZY_GET if BT_CTLR_ADV_PERIODIC
+	select BT_TICKER_LAZY_GET if BT_CTLR_ADV_PERIODIC || BT_CTLR_CENTRAL_ISO
 
 	default y
 	help

subsys/bluetooth/controller/ll_sw/ull_conn_iso.c

@@ -1042,8 +1042,8 @@ static void mfy_cis_lazy_fill(void *param)
 	uint32_t ticks_to_expire;
 	uint32_t ticks_current;
 	uint32_t remainder;
+	uint16_t lazy = 0U;
 	uint8_t ticker_id;
-	uint16_t lazy;
 	uint8_t retry;
 	uint8_t id;