nyx: Use full shutdown based reboot on T210B01

That's because of how the system is exploited.

bdk/utils/util.h

@@ -73,6 +73,7 @@ void msleep(u32 ms);
 void panic(u32 val);
 void reboot_normal();
 void reboot_rcm();
+void reboot_full();
 void power_off();
 void exec_cfg(u32 *base, const cfg_op_t *ops, u32 num_ops);
 u32  crc32_calc(u32 crc, const u8 *buf, u32 len);