Z3X Please add MT6835 processor support

[642062923]

Selected model: Mediatek Mediatek
Operation: Read Flash Info
Software version: 7.8

Host Power Off... OK
Switch virtual port to NONE... OK
Connect Type-C to HUB... OK
Host Power On... OK
Connect phone to [BOX] in BROM/PRELOADER Mode
Waiting for device... OK
Driver: [MediaTek Inc.,wdm_usb,MediaTek USB Port_V1633,usb2ser.sys,3.0.1504.0]
Device found at COM56 [BROM]
Open port... OK
Send start cmd... OK
Get HW code from device... 1209
Get sec config... OK [000000E7]
Active sec flags: [SBC SLA DAA]
Get HW & SW version from device... OK
HW VER: CA01, SW VER: 0000, HW SUB CODE: 8A00
Detect chip [MT6835]
Library Version [2]
Select platform... OK
Init BROM... OK
Force Charge... OK
Disable WatchDog Timer... OK
Force switch to BROM... OK
Host Power Off... OK
Switch virtual port to USB... OK
Connect Type-C to BOX... OK
Host Power On... OK
Waiting for device... OK
Read usbhost speed... HIGH
Read Device Descriptor...
Get VID/PID...0E8D/0003
Send start cmd... OK
Get HW code from device... 1209
Get HW & SW version from device... OK
HW VER: CA01, SW VER: 0000, HW SUB CODE: 8A00
Detect chip [MT6835]
Get sec config... OK [000000E7]
Active sec flags: [SBC SLA DAA]
Release testpoint
Advanced Bypass Security...
Platform MT1209 not supported for BoxAuth! error