[PR] espressif: Add variable to override MCUboot version and URL [nuttx]

[via GitHub]

tmedicci opened a new pull request, #16320:
URL: https://github.com/apache/nuttx/pull/16320

   ## Summary
   
   * espressif: Add variable to override MCUboot version and URL
   
   The version and the git repository of Espressif's MCUboot port can be 
changed by setting the `MCUBOOT_VERSION` and `MCUBOOT_URL` environment 
variables before running the `make bootloader` command.
   
   ## Impact
   
   Impact on user: NO.
   
   Impact on build: YES. If the environment variables `MCUBOOT_VERSION` and 
`MCUBOOT_URL` are set, use them instead of the default values.
   
   Impact on hardware: NO.
   
   Impact on documentation: NO.
   
   Impact on security: NO.
   
   Impact on compatibility: NO.
   
   ## Testing
   
   This can be tested by setting it to other values and checking the folder 
where MCUboot is cloned. For ESP32-S3, for instance, the default values for 
`MCUBOOT_VERSION` and `MCUBOOT_URL` are defined by, respectively, by 
`CONFIG_ESP32S3_MCUBOOT_VERSION` (which currently is set to 
`20f98e0a975c24864872e0df5701eb1082e9c957`) and 
`https://github.com/mcu-tools/mcuboot`.
   
   ### Building
   
   In this test, set another version and clone it from another repository (a 
fork, for instance):
   
   ```
   make -j distclean && ./tools/configure.sh esp32s3-devkit:mcuboot_nsh && 
MCUBOOT_VERSION="f6e8e88aa693c376a7e71d44aa04bc9908f0e74e" 
MCUBOOT_URL="https://github.com/tmedicci/mcuboot"; make bootloader
   ```
   
   ### Running
   
   Wait for the bootloader to be built...
   
   ### Results
   
   Check the `nuttx/arch/xtensa/src/chip/bootloader/mcuboot` folder:
   
   #### The version
   ```
   $ git --no-pager show
   commit f6e8e88aa693c376a7e71d44aa04bc9908f0e74e (HEAD, origin/main, 
origin/HEAD, main)
   ```
   
   #### The git repository
   ```
   git remote -v
   origin       https://github.com/tmedicci/mcuboot (fetch)
   origin       https://github.com/tmedicci/mcuboot (push)
   ```
   
   Both the git repository and the version retrieved correspond to the 
overridden values.


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