syscall_handler: Fix warnings in K_SYSCALL_MEMORY

Put parenthesis around parameters in K_SYSCALL_MEMORY_SIZE_CHECK
to avoid possible warnings during the macro expansion.

Signed-off-by: Flavio Ceolin <[email protected]>

Author: Flavio Ceolin

include/zephyr/internal/syscall_handler.h

@@ -408,7 +408,7 @@ int k_usermode_string_copy(char *dst, const char *src, size_t maxlen);
  *       functionality in the Zephyr tree.
  */
 #define K_SYSCALL_MEMORY_SIZE_CHECK(ptr, size) \
-	(((uintptr_t)ptr + size) >= (uintptr_t)ptr)
+	(((uintptr_t)(ptr) + (size)) >= (uintptr_t)(ptr))
 
 /**
  * @brief Runtime check that a user thread has read and/or write permission to