Add MTK Brom Preloader mode operation (frp flash(read/write) format option

[ghanshyamsolank]

hi
Dear Samstool

my openion is

Please Add

Add MTK Brom Preloader mode operation (frp flash(read/write) format option

Because local tool do this mtk brom mode frp remove in mediatek but samstool owner cant do it.

please Add