Add support for the ITE IT8708F.

Add support for the ITE IT8708F.

Here's a dump from my test system which has an IT8708F:

No SuperI/O chip found at 0x002e
probing 0x002e, failed (0x87), data returns 0x87
SuperI/O found at 0x2e: id=0x8708, chipver=0x0
ITE IT8708
idx 07 20 21 22 23 24 25 26 27 28 29 2a 2e 2f
val 02 87 08 00 00 00 00 00 03 01 01 00 00 00
def NA 87 08 00 00 NA 3f 00 ff ff ff ff 00 00
switching to LDN 0x0
idx 30 60 61 70 74 f0 f1
val 01 03 f0 06 02 00 80
def 00 03 f0 06 02 00 00
switching to LDN 0x1
idx 30 60 61 70 f0
val 01 03 f8 04 00
def 00 03 f8 04 00
switching to LDN 0x2
idx 30 60 61 70 f0 f1 f2 f3
val 01 02 f8 03 00 50 01 7f
def 00 02 f8 03 00 50 00 7f
switching to LDN 0x3
idx 30 60 61 62 63 64 65 70 74 f0
val 01 03 78 07 78 00 80 07 03 0b
def 00 03 78 07 78 00 80 07 03 03
switching to LDN 0x4
idx e0 e1 e2 e3 e4 e5 e6 e7 f0 f1 f2 f3 f4 f5 f6
val 80 61 00 00 00 00 00 00 80 00 30 00 80 00 de
def NA NA 00 00 00 00 00 00 00 00 00 00 00 NA NA
switching to LDN 0x5
idx 30 60 61 62 63 70 71 f0
val 01 00 60 00 64 01 02 0c
def 01 00 60 00 64 01 02 00
switching to LDN 0x6
idx 30 70 71 f0
val 01 0c 02 00
def 00 0c 02 00
switching to LDN 0x7
idx 70 b0 b1 b2 b3 b4 b5 b8 b9 ba bb bc bd c0 c1 c2 c3 c4 c5 c8 c9 ca cb cc cd d0 d1 d2 d3 d4 d5 d6 d7 d8 d9 da db dc f0 f1 f2 f3 f4 f5 f6 f7 f8 f9 fa fb fc
val 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 01 01 00 00 00 03 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ff 7f 20 51 00 0e 00 00 00 00 00 00 00
def 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 NA NA NA NA NA NA 00 00 00 00 00 00 00 00 00 00 00 NA 00
switching to LDN 0x8
idx 30 60 61
val 00 02 01
def 00 02 01
switching to LDN 0x9
idx 30 60 61 70 f0
val 00 03 10 0b 06
def 00 03 10 0b 00
switching to LDN 0xa
idx 30 60 61 70 f0
val 00 03 00 0a 40
def 00 03 00 0a 00
No SuperI/O chip found at 0x004e
No SuperIO chip found at 0x004e
No SuperIO chip found at 0x004e

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2757 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1