drivers: bluetooth: slz_hci: Adapt to library BLOBs version 4.2.4

Make HCI driver compatible to the updated versions of the
EFR32 Bluetooth library BLOBs consisting of:
* libbluetooth_controller
* libbgcommon
* librail

Signed-off-by: Markus Fuchs <markus.fuchs@ch.sauter-bc.com>

drivers/bluetooth/hci/slz_hci.c

@@ -16,11 +16,12 @@
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(bt_hci_driver_slz);
 
-#define SL_BT_CONFIG_ACCEPT_LIST_SIZE	1
-#define SL_BT_CONFIG_MAX_CONNECTIONS	1
-#define SL_BT_CONFIG_USER_ADVERTISERS	1
-#define SL_BT_CONTROLLER_BUFFER_MEMORY  CONFIG_BT_SILABS_HCI_BUFFER_MEMORY
-#define SL_BT_SILABS_LL_STACK_SIZE	1024
+#define SL_BT_CONFIG_ACCEPT_LIST_SIZE		1
+#define SL_BT_CONFIG_MAX_CONNECTIONS		1
+#define SL_BT_CONFIG_USER_ADVERTISERS		1
+#define SL_BT_CONTROLLER_BUFFER_MEMORY		CONFIG_BT_SILABS_HCI_BUFFER_MEMORY
+#define SL_BT_CONTROLLER_LE_BUFFER_SIZE_MAX	CONFIG_BT_BUF_ACL_TX_COUNT
+#define SL_BT_SILABS_LL_STACK_SIZE		1024
 
 static K_KERNEL_STACK_DEFINE(slz_ll_stack, SL_BT_SILABS_LL_STACK_SIZE);
 static struct k_thread slz_ll_thread;
@@ -135,6 +136,8 @@ static int slz_bt_open(void)
 		return -ENOMEM;
 	}
 
+	sl_btctrl_configure_le_buffer_size(SL_BT_CONTROLLER_LE_BUFFER_SIZE_MAX);
+
 	ret = sl_btctrl_init_ll();
 	if (ret) {
 		LOG_ERR("Bluetooth link layer init failed %d", ret);

west.yml

@@ -219,7 +219,7 @@ manifest:
       groups:
         - hal
     - name: hal_silabs
-      revision: d184c2ccc0ec5a7189d6d5cb7645c7f9bd38c2b5
+      revision: 20113e9520ce59ee7fa85ba10102d0880822bb3e
       path: modules/hal/silabs
       groups:
         - hal