Use correct VTOR_NS location

Fixes regression introduced in 6681e54

Author: mattia-moffa

src/boot_arm.c

@@ -416,8 +416,7 @@ void isr_empty(void)
 
 #ifdef TZEN
 #include "hal.h"
-//#define VTOR (*(volatile uint32_t *)(0xE002ED08))
-#define VTOR (*(volatile uint32_t *)(0xE000ED08))
+#define VTOR (*(volatile uint32_t *)(0xE002ED08))
 #else
 #define VTOR (*(volatile uint32_t *)(0xE000ED08))
 #endif