udev: split wifi and bt rules into two separate files

The udev rule for bluetooth doesn't work on systemd[1], by splitting the
rule into two separate rules, distros can leave this bluetooth rule out
when packaging for systemd.

Distros packaging bootmac will have to make note of the new rule
files/names.

1. https://github.com/systemd/systemd/issues/35003

bootmac.rules → bootmac-bluetooth.rules

-# 
+#
 # Configure the MAC addresses of the WLAN and Bluetooth interfaces when they appear.
 # Copyright (c) Dylan Van Assche (2022)
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
 
-ACTION=="add", SUBSYSTEM=="net", KERNEL=="wlan0", RUN+="/usr/bin/bootmac"
-ACTION=="add", SUBSYSTEM=="bluetooth", KERNEL=="hci0", RUN+="/usr/bin/bootmac"
+ACTION=="add", SUBSYSTEM=="bluetooth", KERNEL=="hci0", RUN+="/usr/bin/bootmac --bluetooth"

bootmac-wifi.rules

+#
+# Configure the MAC addresses of the WLAN and Bluetooth interfaces when they appear.
+# Copyright (c) Dylan Van Assche (2022)
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+
+ACTION=="add", SUBSYSTEM=="net", KERNEL=="wlan0", RUN+="/usr/bin/bootmac --wlan"