Add new flash-chip preparation step after probing

Change-Id: I57fd63ddc4c8ccd07b0744df33d6a499bfeae9ff
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.sourcearcade.org/c/flashprog/+/321
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/include/flash.h b/include/flash.h
index 4304bb8..b3ad235 100644
--- a/include/flash.h
+++ b/include/flash.h
@@ -238,6 +238,7 @@
 
 enum preparation_steps {
 	PREPARE_PROBE,
+	PREPARE_POST_PROBE,
 	PREPARE_FULL,
 };