Applications: nrf5340_audio: Enabled GATT caching

OCT-3362
Removed CONFIG_BT_GATT_CACHING=n
May speed up reconnects
Avoids bt/hash ENOENT after e.g. DFU from version with gatt caching.

Signed-off-by: Kristoffer Skøien <[email protected]>

Author: koffes

applications/nrf5340_audio/broadcast_sink/overlay-broadcast_sink.conf

@@ -14,7 +14,6 @@ CONFIG_BT_PERIPHERAL=y
 CONFIG_BT_SMP=y
 CONFIG_BT_AUDIO=y
 CONFIG_BT_GATT_DYNAMIC_DB=y
-CONFIG_BT_GATT_CACHING=n
 
 CONFIG_SETTINGS=y
 CONFIG_BT_SETTINGS=y

applications/nrf5340_audio/unicast_client/overlay-unicast_client.conf

@@ -11,7 +11,6 @@ CONFIG_BT_GATT_DYNAMIC_DB=y
 CONFIG_BT_GATT_CLIENT=y
 CONFIG_BT_GATT_AUTO_DISCOVER_CCC=y
 CONFIG_BT_GATT_AUTO_UPDATE_MTU=y
-CONFIG_BT_GATT_CACHING=n
 CONFIG_BT_MAX_CONN=2
 CONFIG_BT_MAX_PAIRED=2
 CONFIG_BT_EXT_ADV=y

applications/nrf5340_audio/unicast_server/overlay-unicast_server.conf

@@ -10,7 +10,6 @@ CONFIG_BT_GATT_AUTO_DISCOVER_CCC=y
 CONFIG_BT_GATT_AUTO_RESUBSCRIBE=n
 CONFIG_BT_GATT_AUTO_SEC_REQ=n
 CONFIG_BT_GATT_AUTO_UPDATE_MTU=y
-CONFIG_BT_GATT_CACHING=n
 CONFIG_BT_GATT_CLIENT=y
 CONFIG_BT_GATT_DYNAMIC_DB=y