[coreboot-gerrit] Change in coreboot[master]: soc/mediatek/mt8183: Add get dram type API at ATF

[huayang duan (Code Review)]

huayang duan has abandoned this change. ( https://review.coreboot.org/c/coreboot/+/39097 )

Change subject: soc/mediatek/mt8183: Add get dram type API at ATF
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Abandoned

Use each frequecny's pll value distinguish the EMCP and discrete DDR instead of use the MACRO of MT8183_DRAM_EMCP