For simplicity/consistency with many other soc families, rename the
bouffalolab_bflb soc family to the simpler bflb.
Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
Add Bouffalo Lab serial driver. The driver uses pinctrl to configure
pins and have power management capabilities.
Signed-off-by: Gerson Fernando Budke <nandojve@gmail.com>
