Move ich_layout from layout.h to ich_descriptors.h

This moves the ich_layout declaration from one header to another. This
will avoid a circular dependency when we update the entries[] member in
the follow-up patch to use MAX_NUM_FLREGS which is defined in
ich_descriptors.h.

Change-Id: I08006f1f7c9ccdd17a9a6d74881ed2c8541d4de1
Signed-off-by: David Hendricks <dhendricks@fb.com>
Reviewed-on: https://review.coreboot.org/21337
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/ich_descriptors.h b/ich_descriptors.h
index 4ddc710..9a16031 100644
--- a/ich_descriptors.h
+++ b/ich_descriptors.h
@@ -566,6 +566,11 @@
 	struct ich_desc_upper_map upper;
 };
 
+struct ich_layout {
+	struct flashrom_layout base;
+	struct romentry entries[5];
+};
+
 ssize_t ich_number_of_regions(enum ich_chipset cs, const struct ich_desc_content *content);
 ssize_t ich_number_of_masters(enum ich_chipset cs, const struct ich_desc_content *content);