[coreboot] [patch][superiotool] Add w83527hg support

[Rudolf Marek]

Hi,

Btw we have a problem this W83527HG has exactly same ID as mine W83627DHG-P
id=0xb0, rev=0x73

And my chip does have a serial paralell spi etc... What now? Looks like it may 
be some shrunk package maybe only?

Maybe we can add SPI/COM1/COM2 LDN as it has the classic old W83627DHG  (0xa02) ?

Datasheets here:

http://www.nuvoton.com/NuvotonMOSS/Community/ProductInfo.aspx?tp_GUID=cf73485c-9e0a-4218-9bee-89dfe9a7bb87

Thanks,
Rudolf