handwired/technicpad: fix `keyboard` in keymaps (#23408)

keyboards/handwired/technicpad/keymaps/default/keymap.json

@@ -1,5 +1,5 @@
 {
-    "keyboard": "technicpad",
+    "keyboard": "handwired/technicpad",
     "keymap": "default",
     "layers": [
         ["KC_A", "KC_B", "KC_C", "KC_D"]

keyboards/handwired/technicpad/keymaps/via/keymap.json

@@ -1,5 +1,5 @@
 {
-    "keyboard": "technicpad",
+    "keyboard": "handwired/technicpad",
     "keymap": "via",
     "config": {
         "features": {

keyboards/mechwild/bb40/keymaps/default/keymap.json

@@ -1,5 +1,5 @@
 {
-   "keyboard": "mechwild/bb40",
+   "keyboard": "mechwild/bb40/f401",
    "keymap": "default",
    "version": 1,
    "layout": "LAYOUT_all",