kodi: update to Nexus 20.0 RC 1

[HiassofT]

We're not quite there yet but we'll need to update our texturepacker disable patch so I thought it'd be good to share current WIP early

[HiassofT]

Updated to 20.0-rc1 tag.

Runtime tested on RPi3B+ and RPi4

[heitbaum]

Running fine on Generic

=== tested on ===
Generic.x86_64-devel-20221210134005-9f08814
Linux nuc12 6.1.0-rc8 #1 SMP Sat Dec 10 13:46:42 UTC 2022 x86_64 GNU/Linux
Starting Kodi (20.0-RC1 (19.90.901) Git:20.0rc1-Nexus). Platform: Linux x86 64-bit
Using Release Kodi x64
Kodi compiled 2022-12-10 by GCC 12.2.0 for Linux x86 64-bit version 6.1.0 (393472)
Running on LibreELEC (heitbaum): devel-20221210134005-9f08814 11.0, kernel: Linux x86 64-bit version 6.1.0-rc8
FFmpeg version/source: 4.4.1-Kodi
Host CPU: 12th Gen Intel(R) Core(TM) i7-1260P, 16 cores available
[    0.000000] DMI: Intel(R) Client Systems NUC12WSKi7/NUC12WSBi7, BIOS WSADL357.0085.2022.0718.1739 07/18/2022
CApplication::CreateGUI - trying to init gbm windowing system
CApplication::CreateGUI - using the gbm windowing system
EGL_VENDOR = Mesa Project
GL_RENDERER = Mesa Intel(R) Graphics (ADL GT2)
GL_VERSION = OpenGL ES 3.2 Mesa 22.3.0
libva info: VA-API version 1.16.0
vainfo: VA-API version: 1.16 (libva 2.16.0)
vainfo: Driver version: Intel iHD driver for Intel(R) Gen Graphics - 22.6.4 (ae970e5cc6)

[SupervisedThinking]

=== tested on ===
x11.x86_64-RR-20221210-41e0c6e
Linux phoenix 6.0.12 #1 SMP Sat Dec 10 13:49:06 CET 2022 x86_64 GNU/Linux
Starting Kodi (20.0-RC1 (19.90.901) Git:20.0rc1-Nexus). Platform: Linux x86 64-bit
Using Release Kodi x64
Kodi compiled 2022-12-10 by GCC 12.2.0 for Linux x86 64-bit version 6.0.12 (393228)
Running on LibreELEC (ST): RR-20221210-41e0c6e 11.0, kernel: Linux x86 64-bit version 6.0.12
FFmpeg version/source: 4.4.1-Kodi
Host CPU: Intel(R) Core(TM) i3-6100 CPU @ 3.70GHz, 4 cores available
[    0.000000] DMI: Gigabyte Technology Co., Ltd. B150N Phoenix-WIFI/B150N Phoenix-WIFI-CF, BIOS F22e 03/09/2018
CApplication::CreateGUI - using the x11 windowing system
CRenderSystemGL::InitRenderSystem - Version: 4.6 (Core Profile) Mesa 22.3.0, Major: 4, Minor: 6
GL_RENDERER = Mesa Intel(R) HD Graphics 530 (SKL GT2)
GL_VERSION = 4.6 (Core Profile) Mesa 22.3.0
libva info: VA-API version 1.16.0
vainfo: VA-API version: 1.16 (libva 2.16.0)
vainfo: Driver version: Intel iHD driver for Intel(R) Gen Graphics - 22.6.4 (27d288ceb3)