[Keyboard] Add mousekey support for Technik variants (#15258)

Co-authored-by: filterpaper <filterpaper@localhost>

keyboards/boardsource/technik_o/rules.mk

@@ -8,7 +8,7 @@ BOOTLOADER = atmel-dfu
 #   change yes to no to disable
 #
 BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
-MOUSEKEY_ENABLE = no        # Mouse keys
+MOUSEKEY_ENABLE = yes       # Mouse keys
 EXTRAKEY_ENABLE = yes       # Audio control and System control
 CONSOLE_ENABLE = no         # Console for debug
 COMMAND_ENABLE = no         # Commands for debug and configuration

keyboards/boardsource/technik_s/rules.mk

@@ -8,7 +8,7 @@ BOOTLOADER = atmel-dfu
 #   change yes to no to disable
 #
 BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
-MOUSEKEY_ENABLE = no        # Mouse keys
+MOUSEKEY_ENABLE = yes       # Mouse keys
 EXTRAKEY_ENABLE = yes       # Audio control and System control
 CONSOLE_ENABLE = no         # Console for debug
 COMMAND_ENABLE = no         # Commands for debug and configuration