Skip normalize_cmdline_options() for the slub_debug cmdline parameter

See setup_slub_debug() in mm/slub.c

kconfig_hardened_check/checks.py

@@ -588,6 +588,7 @@ no_kstrtobool_options = [
     'retbleed', # See retbleed_parse_cmdline() in arch/x86/kernel/cpu/bugs.c
     'rodata', # See set_debug_rodata() in init/main.c
     'ssbd', # See parse_spectre_v4_param() in arch/arm64/kernel/proton-pack.c
+    'slub_debug', # See setup_slub_debug() in mm/slub.c
     'tsx' # See tsx_init() in arch/x86/kernel/cpu/tsx.c
 ]