DlMapIe_link and UlMapIe_link

紀錄每個BS的DlMapIe
struct DlMapIe_link {
DlMapIe_link () {next = NULL;}
int NodeID;
DlMapIe *DlMapIe_head;
DlMapIe *DlMapIe_tail;
DlMapIe_link *next;
};

struct UlMapIe_link {
UlMapIe_link () {next = NULL;}
int NodeID;
UlMapIe *UlMapIe_head;
UlMapIe *UlMapIe_tail;
UlMapIe_link *next;
};