bootloader, esp32: add workaround for Tensilica erratum 572

If zero-overhead loop buffer is enabled, under certain rare conditions
when executing a zero-overhead loop, the CPU may attempt to execute an invalid instruction. Work around by disabling the buffer.

components/bootloader_support/src/bootloader_init.c

@@ -72,6 +72,7 @@ static void wdt_reset_check(void);
 esp_err_t bootloader_init()
 {
     cpu_configure_region_protection();
+    cpu_init_memctl();
 
     /* Sanity check that static RAM is after the stack */
 #ifndef NDEBUG