ci: compliance: exclude SOF, use in signing script

exclude CONFIG_SOF used to check for SOF builds in signing script.

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

scripts/ci/check_compliance.py

@@ -1348,6 +1348,7 @@ def check_no_undef_outside_kconfig(self, kconf):
         "SOC_SDKNG_UNSUPPORTED", # Used in modules/hal_nxp/mcux/CMakeLists.txt
         "SOC_SERIES_", # Used as regex in scripts/utils/board_v1_to_v2.py
         "SOC_WATCH",  # Issue 13749
+        "SOF", # define in scripts/west_commands/sign.py:588 for signing.
         "SOME_BOOL",
         "SOME_INT",
         "SOME_OTHER_BOOL",