linux-firmware: add firmware for Lontium LT9611UXC DSI to HDMI bridge

Add firmware version 0x43 provided by Lontium themselves.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: 张磊磊 <llzhang@lontium.com>
Cc: Bruce <cyin@lontium.com>

LICENSE.Lontium

+Lontium Semiconductor Corp. grants permission to use and redistribute aforementioned firmware file for the use with devices containing Lontium chipsets, but not as part of the Linux kernel or in any other form which would require the file itself to be covered by the terms of the GNU General Public License or the GNU Lesser General Public License.
+The firmware file is distributed in the hope that it will be useful, but is provided WITHOUT ANY WARRANTY, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

WHENCE

@@ -5253,3 +5253,11 @@ Driver: prestera - Marvell driver for Prestera family ASIC devices
 File: mrvl/prestera/mvsw_prestera_fw-v2.0.img
 
 Licence: Redistributable. See LICENCE.Marvell for details.
+
+------------------------------------------------
+
+Driver: lt9611uxc - Lontium DSI to HDMI bridge
+
+File: lt9611uxc_fw.bin
+
+License: Redistributable. See LICENSE.Lontium for details.