yocto-project-qs: Fixed Minnow MAX build example

Fixes [YOCTO #9667]

The actual command in the example to build the image for
Minnow MAX should be for 'core-image-base'.  I changed it to
be that.

(From yocto-docs rev: ea8c9eaa069a44807800a7143f2a4be40707cc74)

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

documentation/yocto-project-qs/yocto-project-qs.xml

@@ -714,7 +714,7 @@
                     For this example, the <filename>core-image-base</filename>
                     image is built:
                     <literallayout class='monospaced'>
-     $ bitbake core-image-minimal
+     $ bitbake core-image-base
                     </literallayout>
                     Once the build completes, the resulting console-only image
                     is located in the Build Directory here: