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>