sdk-manual: Created a new Makefile flow diagram

The Makefile-Based Projects section was expanded to add a useful
example and figure.  Added this figure to the sdk-manual and
mega-manual figures folders.

Updated the Makefile to include the new figure as part of the
tar files for each manual.

(From yocto-docs rev: 5bf979f924200a31cb28fe9920b0877d5562e0f5)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/Makefile

@@ -268,7 +268,7 @@ TARFILES = mega-manual.html mega-style.css \
 	figures/sdk-devtool-add-flow.png figures/sdk-installed-extensible-sdk-directory.png \
 	figures/sdk-devtool-modify-flow.png figures/sdk-eclipse-dev-flow.png \
 	figures/sdk-devtool-upgrade-flow.png figures/bitbake-build-flow.png figures/bypqs-title.png \
-	figures/overview-manual-title.png figures/sdk-autotools-flow.png
+	figures/overview-manual-title.png figures/sdk-autotools-flow.png figures/sdk-makefile-flow.png
 	endif
 
 MANUALS = $(DOC)/$(DOC).html
@@ -295,7 +295,7 @@ TARFILES = sdk-manual.html sdk-style.css figures/sdk-title.png \
            figures/sdk-environment.png figures/sdk-installed-standard-sdk-directory.png \
 	   figures/sdk-installed-extensible-sdk-directory.png figures/sdk-devtool-add-flow.png \
 	   figures/sdk-devtool-modify-flow.png figures/sdk-eclipse-dev-flow.png \
-	   figures/sdk-devtool-upgrade-flow.png figures/sdk-autotools-flow.png \
+	   figures/sdk-devtool-upgrade-flow.png figures/sdk-autotools-flow.png figures/sdk-makefile-flow.png \
            eclipse
 MANUALS = $(DOC)/$(DOC).html $(DOC)/eclipse
 FIGURES = figures