List the supported flash chips and southbridges in the flashrom README file

Corresponding to flashrom svn r80 and coreboot v2 svn r2517.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

README

@@ -84,3 +84,61 @@ DISK on Chip support is currently disabled since it is considered unstable.
 Change CFLAGS in the Makefile to enable it: Remove -DDISABLE_DOC from CFLAGS.
 
 
+Supported Flash Chips
+---------------------
+
+AMD AM-29F040B
+AMD AM-29F016D
+Atmel AT-29C040A
+EMST F49B002UA
+Intel 82802AB (Firmware Hub) 
+Intel 82802AC (Firmware Hub) 
+M-Systems MD-2802 (unsupported, disabled by default)
+MX MX-29F002
+PMC PMC-49FL002
+PMC PMC-49FL004
+Sharp LHF-00L04
+SST SST-29EE020A
+SST SST-28SF040A
+SST SST-39SF010A
+SST SST-39SF020A
+SST SST-39SF040
+SST SST-39VF020
+SST SST-49LF040B
+SST SST-49LF040
+SST SST-49LF020A
+SST SST-49LF080A
+SST SST-49LF002A/B
+SST SST-49LF003A/B
+SST SST-49LF004A/B
+SST SST-49LF008A
+ST ST-M29F400BT
+ST ST-M29F040B
+SyncMOS S29C51002T
+Winbond W29C011
+Winbond W29C020C
+Winbond W49F002U
+Winbond W49V002A
+Winbond W49V002FA
+Winbond W39V040A
+Winbond W39V040B
+
+
+Supported Southbridges
+----------------------
+
+AMD CS5530
+AMD Geode SC1100
+AMD AMD-8111
+ATI SB400
+Intel ICH0-ICH8 (all variations)
+Intel PIIX4/PIIX4E/PIIX4M
+NVIDIA CK804
+NVIDIA MCP51
+SiS 630
+SiS 5595
+VIA VT8231
+VIA VT8235
+VIA VT8237
+VIA VT82C686
+