cmake: config: disable SUIT for iron board variant

This is compatible with the Nordic IRONside SE for nRF54H20.

Ref: NCSDK-NONE

Signed-off-by: Håkon Amundsen <haakon.amundsen@nordicsemi.no>

Author: hakonfam

subsys/suit/Kconfig

@@ -6,6 +6,7 @@
 
 menuconfig SUIT
 	bool "Enable SUIT modules"
+	depends on !SOC_NRF54H20_IRON
 
 if SUIT
 

sysbuild/CMakeLists.txt

@@ -719,8 +719,10 @@ function(${SYSBUILD_CURRENT_MODULE_NAME}_post_cmake)
   endif()
 
   include_packaging()
-  include_suit_provisioning()
-  include_suit()
+  if(NOT SB_CONFIG_SOC_NRF54H20_IRON)
+    include_suit_provisioning()
+    include_suit()
+  endif()
 
   if(SB_CONFIG_SECURE_BOOT OR SB_CONFIG_MCUBOOT_HARDWARE_DOWNGRADE_PREVENTION)
     include_provision_hex()