CC2530 Zigbee network device lost auto maintain associated

1.Network initial state

2.Move 0xC6C4 out of zigbee network range
   00 : 45  >> 0xC6C4 out of range
   01 : 15  >> 0x2C5C get new short address and parent node

3.Check Coordinator child node and associated

4.Check 0x19B1 parent node,child node,associated

5.Move 0xC6C4 (0x00124B0002017DD6) into zigbee network range

   00 : 25  >> 0x00124B0002017DD6 join the zigbee

6.Check 0x00124B0002017DD6 short address,parent node,associated

7.Check 0x19B1 parent node,child node,associated