Integrate uboot-imx-kuk/new_ram_timings_trizeps8plus_2021_12_07
Commit: seco-ne/3rd-party/kuk/uboot-imx-kuk@6b05be5f
Added LPDDR4 3733MT/s Rate and use it as default for Trizeps VIII Plus and 2GB RAM
(cherry picked from commit 7548225eb70d2d28ba4feff6ac63d7c21389279f)