Add loader for Meizu 21 Pro

[amenekowo]

The two loader is different, but both of them can be used. Tested on my Meizu 21 Pro.

❯ edl --loader=002270e101380000_9a3d5455de54d24d.melf printgpt
Keystone library is missing (optional).
Qualcomm Sahara / Firehose Client V3.62 (c) B.Kerler 2018-2025.
main - Using loader 002270e101380000_9a3d5455de54d24d.melf ...
main - Waiting for the device
main - Device detected :)
sahara - Protocol version: 3, Version supported: 1
main - Mode detected: sahara
sahara - 
Reading Chip Info : OK
sahara - - Sahara version  : 3
sahara - - Chip Serial Number : XXXXXXXX
sahara - - Chip Identifier V3 : 00020000
sahara - - MSM HWID : 0x2270e1 | model_id:0x0000 | oem_id:0138
sahara - - OEM PKHASH : d654d0994106e64fe702b286305e23e04d301a6e13de49a69c06bf8c8fc56ac3269b90e203cb25c79a3d5455de54d24d
sahara - - HW_ID : 002270e101380000
sahara - Protocol version: 3, Version supported: 1
sahara - Uploading loader 002270e101380000_9a3d5455de54d24d.melf ...
sahara - 64-Bit mode detected.
sahara - Loader successfully uploaded.
main - Trying to connect to firehose loader ...
firehose - INFO: Binary build date: May 27 2024 @ 00:30:56
firehose - INFO: Binary build date: May 27 2024 @ 00:30:56 
firehose - INFO: Chip serial num: 4710607266456 (0x448c612a298)
firehose - INFO: Supported Functions (14):
firehose - INFO: program
firehose - INFO: read
firehose - INFO: nop
firehose - INFO: patch
firehose - INFO: configure
firehose - INFO: setbootablestoragedrive
firehose - INFO: power
firehose - INFO: firmwarewrite
firehose - INFO: getstorageinfo
firehose - INFO: benchmark
firehose - INFO: emmc
firehose - INFO: ufs
firehose - INFO: fixgpt
firehose - INFO: getsha256digest
firehose - INFO: End of supported functions 14
firehose - INFO: Storage type: UFS
firehose - INFO: Storage vendor: Unknown
firehose - INFO: Secure boot: on
firehose - INFO: RF id: 0x0
firehose - INFO: PSN: XXXXX
firehose - INFO: Lock state: unlock
firehose_client
firehose_client - [LIB]: No --memory option set, we assume "UFS" as default ..., if it fails, try using "--memory" with "UFS","NAND" or "spinor" instead !
firehose
firehose - [LIB]: Couldn't detect MaxPayloadSizeFromTargetinBytes
firehose
firehose - [LIB]: Couldn't detect TargetName
firehose - TargetName=Unknown
firehose - MemoryName=UFS
firehose - Version=1
firehose - Trying to read first storage sector...
firehose - Running configure...
firehose - Storage report:
firehose - total_blocks:123365376
firehose - block_size:4096
firehose - page_size:4096
firehose - num_physical:6
firehose - manufacturer_id:408
firehose - serial_num:1481195808
firehose - fw_version:100
firehose - mem_type:UFS
firehose - prod_name:THGJFLT2E46BATPB0100
firehose_client - Supported functions:
-----------------
program,read,nop,patch,configure,setbootablestoragedrive,power,firmwarewrite,getstorageinfo,benchmark,emmc,ufs,fixgpt,getsha256digest,Storage type: UFS,Storage vendor: Unknown,Secure boot: on,RF id: 0x0,PSN: XXXXX,Lock state: unlock

Parsing Lun 0:
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