sim: Fixes the linker 'noexecstack' warning

Signed-off-by: Leo Chung <gewalalb@gmail.com>

Author: bl4kraven

CMakeLists.txt

@@ -727,6 +727,7 @@ else()
       OUTPUT nuttx.rel
       COMMAND
         ${CMAKE_C_COMPILER} ARGS -r $<$<BOOL:${CONFIG_SIM_M32}>:-m32>
+        $<$<BOOL:${CONFIG_HOST_LINUX}>:-Wl,-z,noexecstack>
         $<TARGET_OBJECTS:sim_head> $<$<NOT:$<BOOL:${APPLE}>>:-Wl,--start-group>
         ${nuttx_libs_paths} $<$<NOT:$<BOOL:${APPLE}>>:-Wl,--end-group> -o
         nuttx.rel

arch/sim/src/cmake/Toolchain.cmake

@@ -200,3 +200,7 @@ else()
   add_link_options(-Wl,--gc-sections)
   add_link_options(-Wl,-Ttext-segment=0x40000000)
 endif()
+
+if(CONFIG_HOST_LINUX)
+  add_link_options(-Wl,-z,noexecstack)
+endif()