esp32: Adds Stack Smashing Protection Feature

These changes add posibility to enable GCC stack protector via menuconfig
for all source files in project.

components/esp32/test/test_stack_check_cxx.cpp

@@ -0,0 +1,25 @@
+#include "unity.h"
+
+#if CONFIG_STACK_CHECK
+
+static void recur_and_smash_cxx()
+{
+    static int cnt;
+    volatile uint8_t buf[50];
+    volatile int num = sizeof(buf)+10;
+
+    if (cnt++ < 1) {
+        recur_and_smash_cxx();
+    }
+    for (int i = 0; i < num; i++) {
+        buf[i] = 0;
+    }
+}
+
+
+TEST_CASE("stack smashing protection CXX", "[stack_check] [ignore]")
+{
+    recur_and_smash_cxx();
+}
+
+#endif