mediatek: Add mt8173 VPU firmware

Video Processor Unit is a HW video controller. It controls
HW Codec including H.264/VP8/VP9 Decode, H.264/VP8 Encode
and Image Processor (scale/rotate/color convert). This patch
is to support H.264/VP8 encode.

Release Version: 1.0.0

Signed-off-by: Andrew-CT Chen <andrew-ct.chen@mediatek.com>

WHENCE

@@ -3240,3 +3240,22 @@ File: mwlwifi/88W8897.bin
 Version: 8.2.0.10
 
 Licence: Redistributable. See LICENCE.Marvell for details.
+
+--------------------------------------------------------------------------
+
+Driver: mtk-vpu - Mediatek VPU video processing unit driver
+
+File: vpu_d.bin
+File: vpu_p.bin
+
+Licence: Redistributable.
+
+MediaTek Inc. grants permission to use and redistribute aforementioned firmware
+files for the use with devices containing MediaTek chipsets, but not as part of
+the Linux kernel or in any other form which would require these files themselves
+to be covered by the terms of the GNU General Public License or the GNU Lesser
+General Public License.
+
+These firmware files are distributed in the hope that they will be useful, but
+are provided WITHOUT ANY WARRANTY, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTY
+OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.