bluez5: use pi-bluetooth package for startup infrastructure

RPi-Distro has augmented their bluetooth infrastructure to support new
features.  It also correctly handles restart, which fixes problems when
faults cause hciattach to exit.  Replace brcm43438.service with the
upstream ones.

Resolves: #330
Signed-off-by: Peter A. Bigot <pab@pabigot.com>

recipes-connectivity/pi-bluetooth/pi-bluetooth_git.bb

@@ -6,17 +6,41 @@ LIC_FILES_CHKSUM = "\
     file://debian/copyright;md5=6af8de3c8ee71f8e91e9b22f84ff2022 \
 "
 
-SRC_URI = "git://github.com/RPi-Distro/pi-bluetooth"
-SRCREV = "2a7477966bb3c69838b224f3ea92cb49a88124d5"
-UPSTREAM_VERSION_UNKNOWN = "1"
+SRC_URI = "\
+    git://github.com/RPi-Distro/pi-bluetooth \
+    file://0001-bthelper-correct-path-for-hciconfig-under-Yocto.patch \
+"
+SRCREV = "2e1a393955910aea67bbf3c921be35a66e8a8fbe"
+PV = "1.1+git${SRCPV}"
 
 S = "${WORKDIR}/git"
 
+# hciuart.service replaces what was brcm43438.service 
+inherit systemd
+SYSTEMD_SERVICE_${PN} = "\
+    hciuart.service \
+    bthelper@.service \
+"
+
 inherit allarch
 
 do_install() {
+    install -d ${D}${sysconfdir}/udev/rules.d
+    install -m 0644 ${S}/lib/udev/rules.d/* ${D}${sysconfdir}/udev/rules.d
+
     install -d ${D}${bindir}
+    install -m 0755 ${S}/usr/bin/bthelper ${D}${bindir}
     install -m 0755 ${S}/usr/bin/btuart ${D}${bindir}
+
+    if ${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'true', 'false', d)}; then
+        install -d ${D}${systemd_system_unitdir}
+        install -m 0644 ${S}/debian/pi-bluetooth.bthelper@.service ${D}${systemd_system_unitdir}/bthelper@.service
+        install -m 0644 ${S}/debian/pi-bluetooth.hciuart.service ${D}${systemd_system_unitdir}/hciuart.service
+    fi
 }
 
-FILES_${PN} = "${bindir}"
+FILES_${PN} = "\
+    ${bindir} \
+    ${sysconfdir} \
+    ${systemd_unitdir}/system \
+"