amlogic: update video decoder firmwares

amlogic: update video decoder firmwares

Update the firmwares extracted from Amlogic's last known release from
July 2019.

This commit updates several binaries already present for GXL, GXM and
G12A chips, but also adds:

- HEVC for G12A
- HEVC for SM1
- VP9 for GXL
- VP9 for SM1

The support for which - apart from HEVC, still in development - is
currently in-review in the linux-media mailing list [1][2][3].

[1] [v4,0/4] media: meson: vdec: Add compliant H264 support
https://patchwork.kernel.org/cover/11336951/
[2] [v3,0/5] media: meson: vdec: Add VP9 decoding support
https://patchwork.kernel.org/cover/11336975/
[3] [0/3] media: meson: vdec: add sm1 platform
https://patchwork.kernel.org/cover/11256037/

Cc: Arden Jin <Arden.Jin@amlogic.com>
Signed-off-by: Maxime Jourdan <mjourdan@baylibre.com>