Fix media keys in via keymap for 2% milk (#10357)

* Allow media keys in milk via

* Update rules.mk

* Update rules.mk

* Update rules.mk

keyboards/spaceman/2_milk/keymaps/via/rules.mk

@@ -1,2 +1,2 @@
 VIA_ENABLE = yes
-LTO_ENABLE = yes
+LTO_ENABLE = yes

keyboards/spaceman/2_milk/rules.mk

@@ -16,7 +16,7 @@ BOOTLOADER = caterina
 #
 BOOTMAGIC_ENABLE  = no	# Virtual DIP switch configuration
 MOUSEKEY_ENABLE  = no	# Mouse keys
-EXTRAKEY_ENABLE  = no	# Audio control and System control
+EXTRAKEY_ENABLE  = yes	# Audio control and System control
 CONSOLE_ENABLE  = yes	# Console for debug
 COMMAND_ENABLE  = yes    # Commands for debug and configuration
 SLEEP_LED_ENABLE  = no  # Breathing sleep LED during USB suspend