systemd: Hardcode the udevd's firmware search path with a patch since the...

systemd: Hardcode the udevd's firmware search path with a patch since the meta-smartphone's bbappend is not effective anymore since systemd switched its build system to Meson. Yeah right, you can call this a hack but I couldn't find a better way to set the macro defined by Meson to an array of strings...

recipes-core/systemd/systemd/0001-Hardcode-the-firmware-path-value-which-can-not-be-se.patch

+From e7a56333775f4015f16ac87c2b4977e2bfe14a74 Mon Sep 17 00:00:00 2001
+From: Florent Revest <revestflo@gmail.com>
+Date: Mon, 27 Aug 2018 20:09:37 +0200
+Subject: [PATCH] Hardcode the firmware-path value which can not be set to
+ multiple pdirectories from the Meson variable
+
+---
+ src/udev/udev-builtin-firmware.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/udev/udev-builtin-firmware.c b/src/udev/udev-builtin-firmware.c
+index bd8c2fb966..b56b34407b 100644
+--- a/src/udev/udev-builtin-firmware.c
++++ b/src/udev/udev-builtin-firmware.c
+@@ -74,7 +74,7 @@ exit:
+ 
+ static int builtin_firmware(struct udev_device *dev, int argc, char *argv[], bool test) {
+         struct udev *udev = udev_device_get_udev(dev);
+-        static const char *searchpath[] = { FIRMWARE_PATH };
++        static const char *searchpath[] = { "/lib/firmware/", "/etc/firmware/", "/system/etc/firmware/", "/vendor/firmware/"};
+         char loadpath[UTIL_PATH_SIZE];
+         char datapath[UTIL_PATH_SIZE];
+         char fwpath[UTIL_PATH_SIZE];
+-- 
+2.18.0
+

recipes-core/systemd/systemd_%.bbappend

@@ -4,7 +4,8 @@ SRC_URI_append = " file://50-video.rules \
                   file://dbus.service \
                   file://dbus.socket \
                   file://dbus.conf \
-                  file://logind.conf"
+                  file://logind.conf \
+                  file://0001-Hardcode-the-firmware-path-value-which-can-not-be-se.patch"
 
 do_install_append() {
     # Setup udev rules for the rights of Android and graphic cards specific devices