Drop a bunch of useless header files, merge them into flash.h

Corresponding to flashrom svn r128 and coreboot v2 svn r2746.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>

layout.h

@@ -1,9 +0,0 @@
-#ifndef __LAYOUT_H__
-#define __LAYOUT_H__ 1
-
-int show_id(uint8_t *bios, int size);
-int read_romlayout(char *name);
-int find_romentry(char *name);
-int handle_romentries(uint8_t *buffer, uint8_t *content);
-
-#endif				/* !__LAYOUT_H__ */