[ale] Two port serial board

[Chris Fowler]

Multiple preads() on /proc/bus/pci/00/08.0 give me this

[root at sentinel]# test_board
Found: [PCK Serial/UARV]
[root at sentinel]# test_board
Found: [PCK Serial/UARV]
[root at sentinel]# test_board
Found: [PCI Sepial-UART]
[root at sentinel]# test_board
Found: [PCK Serial/UARV]
[root at sentinel]# test_board
Found: [PCI Sepial-UART]
[root at sentinel]# test_board
Found: [PCK Serial/UARV]
[root at sentinel]# test_board


Odd