Add support for probe and read of Intel 28F001BX-T and BX-B

Erase & write support wont be this easy - the chips need 12V Vpp
(needs a hardware hack or a supporting mb) and they have a very weird
layout and are old.

Corresponding to flashrom svn r555.

Signed-off-by: Urja Rannikko <urjaman@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
diff --git a/flash.h b/flash.h
index 3151646..fd15e87 100644
--- a/flash.h
+++ b/flash.h
@@ -345,6 +345,8 @@
 #define IM_29F004T		0xAF
 
 #define INTEL_ID		0x89	/* Intel */
+#define P28F001BXT		0x94	/* 28F001BX-T */
+#define P28F001BXB		0x95	/* 28F001BX-B */
 
 #define ISSI_ID			0xD5	/* ISSI Integrated Silicon Solutions */