ucore/packages.json: List all wireless card firmwares

Fedora CoreOS will remove all wireless card firmwares from the image in
an upcoming update.

Make sure that they are all explicitely listed here to keep them in the
image when that happens.

See: coreos/fedora-coreos-tracker#1575
Fixes: ublue-os#138

ucore/packages.json

@@ -19,19 +19,25 @@
                 "wireguard-tools"
             ],
             "ucore": [
+                "atheros-firmware",
+                "brcmfmac-firmware",
                 "cockpit-pcp",
                 "cockpit-storaged",
                 "distrobox",
                 "duperemove",
                 "iwlegacy-firmware",
                 "iwlwifi-dvm-firmware",
                 "iwlwifi-mvm-firmware",
+                "mt7xxx-firmware",
                 "nfs-utils",
+                "nxpwireless-firmware",
                 "pciutils",
                 "pcp-zeroconf",
+                "realtek-firmware",
                 "samba",
                 "samba-usershares",
                 "snapraid",
+                "tiwilink-firmware",
                 "usbutils",
                 "xdg-dbus-proxy",
                 "xdg-user-dirs"