cmake:add lib_psa_set/getstackaddr file to CMakeLists.txt

CMake forgot to compile these two files, so add them.

Signed-off-by: anjiahao <anjiahao@xiaomi.com>

libs/libc/spawn/CMakeLists.txt

@@ -43,7 +43,7 @@ set(SRCS
     lib_psa_destroy.c)
 
 if(NOT CONFIG_BUILD_KERNEL)
-  list(APPEND SRCS lib_psa_getstacksize.c lib_psa_setstacksize.c)
+  list(APPEND SRCS lib_psa_getstackaddr.c lib_psa_setstackaddr.c)
 endif()
 
 if(CONFIG_DEBUG_FEATURES)