Add a self-documenting make target - hopefully simplify the readme file

Makefile

@@ -5,7 +5,21 @@
 #
 
 all:
-	false
+	cat README
+
+list_images:
+	$(info The following make targets are available to produce firmware images:)
+	$(info )
+	$(info $(basename $(wildcard *.d)))
+	$(info )
+	$(info The following make targets are available to produce FL2 files:)
+	$(info )
+	$(info $(foreach i,$(basename $(basename $(wildcard *.d))),$(basename $(wildcard $(i).*.FL2.slice))))
+	$(info )
+	@true
+
+
+.PHONY: list_images
 
 #
 # Radare didnt seem to let me specify the direcrory to store the project file,

README

@@ -9,11 +9,10 @@ Including:
 
 Quick Start:
 
-    There are similar make target commands for:
-        x230
-        t430
-        t430s
+    There are similar make target commands for several different laptops,
+    this command will produce a list of them:
 
+        make list_images
 
     To fetch the firmware from Lenovo, extract, decrypt and patch
     it, ready for more patching: