Add support for the 10b7:9058 3COM NIC (3C905B: Cyclone 10/100/BNC)

Also, add Atmel AT29C512 support.

Both are tested on hardware by Maciej Pijanka.

Corresponding to flashrom svn r566.

Signed-off-by: Maciej Pijanka <maciej.pijanka@gmail.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
diff --git a/flash.h b/flash.h
index 8cb13cd..14a9145 100644
--- a/flash.h
+++ b/flash.h
@@ -287,6 +287,7 @@
 #define AT_29C040A		0xA4
 #define AT_29C010A		0xD5	
 #define AT_29C020		0xDA
+#define AT_29C512		0x5D	
 #define AT_45BR3214B		/* No ID available */
 #define AT_45CS1282		0x2920
 #define AT_45D011		/* No ID available */