[nrf fromtree] native_simulator: Get latest from upstream

Align with native_simulator's upstream main
51b27b67addd0073dc86e3d83f492c5cac5c3361

Which includes:
* 51b27b nsi_utils: Add macro for weak declarations

Signed-off-by: Alberto Escolar Piedras <[email protected]>
(cherry picked from commit 6ffbb8c)

Author: aescolar

scripts/native_simulator/common/src/include/nsi_utils.h

@@ -28,6 +28,7 @@
 #define NSI_CODE_UNREACHABLE __builtin_unreachable()
 
 #define NSI_FUNC_NORETURN __attribute__((__noreturn__))
+#define NSI_WEAK __attribute__((__weak__))
 
 #if defined(__clang__)
   /* The address sanitizer in llvm adds padding (redzones) after data