[PATCH 0/5] sandbox: repair compile and run-time for OF_EMBED case

[Evgeny Bachinin]

This patch-set repairs ability to use sandbox with CONFIG_OF_EMBED=y.

For now, to use OF_EMBED, the following must be done
1) sandbox64_defconfig should have:
  ```
  -CONFIG_OF_LIVE=y
  +CONFIG_OF_EMBED=y
  ```

2) On sandbox when CONFIG_OF_EMBED=y, the u-boot process can't start
due to:
  ```
  Bloblist at b000 not found (err=-2)
  initcall failed at call 000000000011829c (err=-2: No such file or \
      directory)
  ### ERROR ### Please RESET the board ###
  ```
  So, it is natural desire to disable CONFIG_BLOBLIST just to test
sandbox with OF_EMBED=y (disable it one way or another):
  ```
    config SANDBOX
  -	select BLOBLIST
  +     select BLOBLIST if SOME_NON_EXISTING_OPTION
  ```

3) As a result, having such changes (CONFIG_OF_EMBED=y &&
CONFIG_BLOBLIST=n) leads to the link & run-time errors, being fixed
by this patch series.

Signed-off-by: Evgeny Bachinin <EABachinin at salutedevices.com>
---
Tested:
* locally with aforementioned options applied
* CI - https://github.com/u-boot/u-boot/pull/704
  * No regression

---
Evgeny Bachinin (5):
      sandbox: fix bloblist_finish() linker error if BLOBLIST=n
      test: sandbox: fix invalid_use_of_IF_ENABLED_INT if BLOBLIST=n
      test: sandbox: fix link error with do_ut_bloblist if BLOBLIST=n
      test: sandbox: fix link error with do_ut_bootm if BLOBLIST=n
      sandbox: set retval early in board_fdt_blob_setup()

 arch/sandbox/cpu/cpu.c |  2 +-
 include/bloblist.h     |  7 +++++++
 test/cmd_ut.c          |  2 ++
 test/lib/kconfig.c     | 10 ++++++----
 4 files changed, 16 insertions(+), 5 deletions(-)
---
base-commit: 3073246d1be682071d8b3d07d06c2484907aed60
change-id: 20241120-sandbox_repair_of_embed-2188465eb22b

Best regards,
-- 
Evgeny Bachinin <EABachinin at salutedevices.com>