The HCI_UART Bluetooth driver does not support suspend-to-RAM operation, so the
driver must be loaded and unloaded manually. This commit adds support for the
Bluetooth initialization script used across Digi platforms, specifically for
ConnectCore MP13 and MP15.
https://onedigi.atlassian.net/browse/DEL-9650
Signed-off-by: Arturo Buzarra <arturo.buzarra@digi.com>