Having CONFIG_OF_EMBED=y && CONFIG_BLOBLIST=n leads to the link
error:
```
ld: /tmp/ccwtRVty.ltrans28.ltrans.o:(.data.rel+0x4b0): undefined \
reference to `do_ut_bloblist'
```
Fixes:
6ea5df39e8d ("test: Only enable bloblist test when supported")
Signed-off-by: Evgeny Bachinin <EABachinin@salutedevices.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
"", ""),
#endif
#ifdef CONFIG_SANDBOX
+#if CONFIG_IS_ENABLED(BLOBLIST)
U_BOOT_CMD_MKENT(bloblist, CONFIG_SYS_MAXARGS, 1, do_ut_bloblist,
"", ""),
+#endif
U_BOOT_CMD_MKENT(bootm, CONFIG_SYS_MAXARGS, 1, do_ut_bootm, "", ""),
#endif
#ifdef CONFIG_CMD_ADDRMAP