Merge pull request #3576 from embedded-ideas/master

fix incorrect check for NO_WARN_RWX_SEGMENTS_SUPPORTED.

Author: HiFiPhile

hw/bsp/family_support.cmake

@@ -141,7 +141,7 @@ if (NOT FAMILY STREQUAL rp2040)
   endif()
 endif()
 
-if (NOT NO_WARN_RWX_SEGMENTS_SUPPORTED)
+if (NOT DEFINED NO_WARN_RWX_SEGMENTS_SUPPORTED)
   set(NO_WARN_RWX_SEGMENTS_SUPPORTED 1)
 endif()