Keymap: Renabled EXTRAKEYS in layout (#4174)

* Renabled EXTRAKEYS.

* Update keyboards/iris/keymaps/vyolle_steno/rules.mk

Co-Authored-By: Vyolle <dchamberlin.ax@gmail.com>

keyboards/iris/keymaps/vyolle_steno/rules.mk

@@ -1,6 +1,6 @@
-EXTRAKEY_ENABLE = no
-MOUSEKEY_ENABLE = no        # Mouse keys(+4700)
-STENO_ENABLE = yes          # Additional protocols for Stenography(+1700), requires VIRTSER
+EXTRAKEY_ENABLE = yes       # Disable if you run out of usb endpoints. Media keys need this to work.
+MOUSEKEY_ENABLE = no        # Mouse keys(+4700) Uses extra usb endpoints. 
+STENO_ENABLE = yes          # Additional protocols for Stenography(+1700), requires VIRTSER.
 AUDIO_ENABLE = no           # Audio output on port C6
 MIDI_ENABLE = no            # MIDI controls
 NKRO_ENABLE = yes