[coreboot] Serial port 2 fix for Epia-Mii

[Snoke]

Serial port 2 won't work on Epia-Mii.
Following patch I get it work.
Found solution at Linuxbios archive : [LinuxBIOS] EPIA M COM2 problem + 
possible solution? 
<http://www.coreboot.org/pipermail/coreboot/2006-February/013603.html>
--- coreboot/src/superio/via/vt1211/vt1211.c    2011-01-09 16:05:47.000000000 
+0200
+++ coreboot_epia/src/superio/via/vt1211/vt1211.c       2011-01-09 
19:49:53.000000000 +0200
@@ -63,7 +63,7 @@
        case VT1211_PP:
        case VT1211_SP1:
        case VT1211_SP2:
-               pnp_write_config(dev, index + 0, (iobase >> 2) & 0xff);
+               pnp_write_config(dev, 0x27, 0x00);
                break;
        case VT1211_ROM:
                /* TODO: Error. VT1211_ROM doesn't have an I/O base. */
-- 
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