Added LPDDR4 3733MT/s Rate and use it as default for Trizeps VIII Plus and 2GB RAM
requested to merge new_ram_timings_trizeps8plus_2022_08_04 into guf_imx_v2020.04-trizeps8plus_2022_08_04
(cherry picked from commit 7548225eb70d2d28ba4feff6ac63d7c21389279f)