Hello DXian (Community Member)
Using the latest available image (openSTLinux 2.0.0), no issues on my side.
Have you correctly installed the SDK and sourced the SDK env?
stm32wrapper4dbg is found here <STM32MPU-Release-20-06-24>/Developer-Package/SDK/sysroots/x86_64-ostl_sdk-linux/usr/bin/stm32wrapper4dbg
Generate /home/osboxes/Desktop/working/STM32MPU-Release-20-06-24/Developer-Package/stm32mp1-openstlinux-5.4-dunfell-mp1-20-06-24/sources/arm-ostl-linux-gnueabi/tf-a-stm32mp-2.2.r1-r0/tf-a-stm32mp-2.2.r1/../build/trusted/tf-a-stm32mp157c-ev1.stm32
Image Type : ST Microelectronics STM32 V1.0
Image Size : 241728 bytes
Image Load : 0x2ffc2500
Entry Point : 0x2ffd6000
Checksum : 0x00e4ce4c
Option : 0x00000001
Version : 0x00000000
Building stm32mp1
make[1]: Leaving directory '/home/osboxes/Desktop/working/STM32MPU-Release-20-06-24/Developer-Package/stm32mp1-openstlinux-5.4-dunfell-mp1-20-06-24/sources/arm-ostl-linux-gnueabi/tf-a-stm32mp-2.2.r1-r0/tf-a-stm32mp-2.2.r1'
Image Type : ST Microelectronics STM32 V1.0
Image Size : 241784 bytes
Image Load : 0x2ffc2500
Entry Point : 0x2fffd541
Checksum : 0x00e4e4e7
Option : 0x00000001
Version : 0x00000000
Halt Address : 0x2ffd6000