fix pico_promote_common_scope_vars

Author: kilograham

pico_sdk_init.cmake

@@ -63,7 +63,7 @@ if (NOT TARGET _pico_sdk_pre_init_marker)
 
     macro(pico_promote_common_scope_vars)
         set(PICO_INCLUDE_DIRS ${PICO_INCLUDE_DIRS} PARENT_SCOPE)
-        set(PICO_SDK_POST_LIST_DIRS ${PICO_SDK_PRE_LIST_FILES} PARENT_SCOPE)
+        set(PICO_SDK_POST_LIST_DIRS ${PICO_SDK_POST_LIST_DIRS} PARENT_SCOPE)
         set(PICO_SDK_POST_LIST_FILES ${PICO_SDK_POST_LIST_FILES} PARENT_SCOPE)
         set(PICO_CONFIG_HEADER_FILES ${PICO_CONFIG_HEADER_FILES} PARENT_SCOPE)
         set(PICO_RP2040_CONFIG_HEADER_FILES ${PICO_RP2040_CONFIG_HEADER_FILES} PARENT_SCOPE)