EPIA-M fix for real time clock operation

[Dave Ashley]

In V1 the epia-m real time clock was stopped, the file to change to fix this
is src/southbridge/via/vt8235/setup_misc.inc

movl	$CONFIG_ADDR(0, 0x88, 0x4e), %eax
    movb	$0x1a, %dl
    PCI_WRITE_CONFIG_BYTE

The value used to be 1b, this evidently freezes the clock.
Changing to 1a allows normal operation. The low 3 bits are not documented.

-Dave