[c-nsp] Serial interface stuck in "reset" status.

[Joseph Mays]

> ... but the serial interface is stuck in "reset" status.

I should point out, that even with the controller turned down, clearing the 
interface does not take it out of "reset" status.

ArmoryPl-AS5400#clear int Serial1/0:26:0
ArmoryPl-AS5400#show int Serial1/0:26:0
Serial1/0:26:0 is reset, line protocol is down
  Hardware is DSX1
  Description: Glass Doctor (K1.HCFU.417839..SC)
  MTU 1500 bytes, BW 1280 Kbit, DLY 20000 usec,
     reliability 255/255, txload 1/255, rxload 1/255