Add a bunch of new/tested stuff and various small changes 14

Tested Mainboards:
OK:
 - ASUS M3A78-EH
   http://www.flashrom.org/pipermail/flashrom/2010-October/005297.html
 - ASUS P2B-LS
   http://www.flashrom.org/pipermail/flashrom/2010-November/005506.html
 - Biostar TA790GX A3+
   http://paste.flashrom.org/view.php?id=1350
 - ECS 848P-A7
   http://www.flashrom.org/pipermail/flashrom/2011-January/005781.html
 - GIGABYTE GA-G41MT-S2PT
   Reported on IRC
 - GIGABYTE GA-H77-D3H
   Reported and tested by Alexander Gordeev on IRC.
 - Gigabyte GA-X79-UD5
   http://www.flashrom.org/pipermail/flashrom/2012-August/009811.html
 - Shuttle FN78S
   http://www.flashrom.org/pipermail/flashrom/2012-August/009714.html
 - VIA EITX-3000
   Reported on IRC by Tuju

NOT OK:
 - Dell PowerEdge C6220 (0HYFFG)
   http://www.flashrom.org/pipermail/flashrom/2012-September/009900.html
 - Foxconn Q45M
   http://www.flashrom.org/pipermail/flashrom/2012-September/009923.html
 - MSI MS-7309 (K9N6SGM-V)
   http://www.flashrom.org/pipermail/flashrom/2012-August/009712.html
 - Supermicro X9QRi-F+
   http://www.flashrom.org/pipermail/flashrom/2012-September/009887.html
 - ZOTAC H61-ITX WiFi (H61ITX-A-E)
   http://www.flashrom.org/pipermail/flashrom/2012-August/009649.html

ASUS CUSL2-C has been tested to be working with the board enable once
implemented for the TUSL2-C board. They seem to have the same PCI IDs
as shown in the links below. Since only the CUSL2-C board enable has been
tested yet, we distinguish the two by DMI strings.
http://paste.flashrom.org/view.php?id=1393
http://www.flashrom.org/pipermail/flashrom/attachments/20091206/ddca2c6c/attachment-0002.eml

Tested flash chips:
 - Set EMST F25L008A to PREW (+PREW)
   http://www.flashrom.org/pipermail/flashrom/2012-August/009714.html
 - Set GigaDevice GD25Q64 to PREW (+PREW)
   http://git.chromium.org/gitweb/?p=chromiumos/third_party/flashrom.git;a=commit;h=9e8ef49b1f626c2197e131fba6c5b65c8af4eeea
 - Set Macronix MX25L12805 to P (+P)
   http://www.flashrom.org/pipermail/flashrom/2012-September/009887.html
 - Set SST SST49LF003A/B to PREW (+EW)
   http://paste.flashrom.org/view.php?id=467
 - Set Winbond W49V002FA to PREW (+EW)
   http://www.flashrom.org/pipermail/flashrom/2011-January/005781.html

Tested chipsets:
 - Intel X79 (0x1d41)
   http://www.flashrom.org/pipermail/flashrom/2012-August/009811.html

Board enables:
 - add ASUS P4P800-X
   Created by Idwer Vollering and tested by Mingsen Bao:
   http://paste.flashrom.org/view.php?id=467
 - add DMI string to P4P800-VM

Miscellaneous:
 - Add remaining Intel 7 series chipset (LPC) PCI IDs
 - Add generic SPI detection for chips from Winbond
 - Minor manpage changes
 - Minor other cleanups
 - Escape full stops after abbreviations in the manpage.
 - Add ICH9 and successors to spi_get_valid_read_addr

Corresponding to flashrom svn r1601.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
diff --git a/ichspi.c b/ichspi.c
index ce9c553..8dd1893 100644
--- a/ichspi.c
+++ b/ichspi.c
@@ -1689,7 +1689,7 @@
 		}
 
 		tmp = mmio_readl(ich_spibar + ICH9_REG_FADDR);
-		msg_pdbg("0x08: 0x%08x (FADDR)\n", tmp);
+		msg_pdbg2("0x08: 0x%08x (FADDR)\n", tmp);
 
 		if (desc_valid) {
 			tmp = mmio_readl(ich_spibar + ICH9_REG_FRAP);
@@ -1704,6 +1704,7 @@
 				ich_spi_rw_restricted |= ich9_handle_frap(tmp, i);
 		}
 
+		/* Handle PR registers */
 		for (i = 0; i < 5; i++) {
 			/* if not locked down try to disable PR locks first */
 			if (!ichspi_lock)