linux: enable CONFIG_LOGO=y by default, too useful to check that graphics works

Author: cirosantilli

README.adoc

@@ -3286,9 +3286,9 @@ Note that on Ubuntu 17.10, to get to the text terminal from the GUI we first nee
 
 ==== CONFIG_LOGO
 
-Must be run in <<graphic-mode>>.
+If you run in <<graphic-mode>>, then you get a Penguin image for <<number-of-cores,every core>> above the console! https://askubuntu.com/questions/80938/is-it-possible-to-get-the-tux-logo-on-the-text-based-boot
 
-If you compile the kernel with `CONFIG_LOGO=y`,  then you get a Penguin image for <<number-of-cores,every core>> above the console! https://askubuntu.com/questions/80938/is-it-possible-to-get-the-tux-logo-on-the-text-based-boot
+This is due to the `CONFIG_LOGO=y` option which we enable by default.
 
 `reset` on the terminal then kills the poor penguins.
 

kernel_config_fragment/default

@@ -77,8 +77,9 @@ CONFIG_VIRTIO_BLK=y
 CONFIG_VIRTIO_NET=y
 
 # Misc
-CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
 CONFIG_DUMMY_IRQ=m
+CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
+CONFIG_LOGO=y
 
 ## Networking