package/gstreamer1/gst1-plugins-bad: wayland plugin needs libdrm

Fixes:
  http://autobuild.buildroot.net/results/e06fbed25fc8369c2ff1f3d89b8800766e365ea3
  http://autobuild.buildroot.net/results/252d2d247339ee6f89ae2b813d33518d612dd9b3

  Run-time dependency wayland-client found: YES 1.17.0
  Run-time dependency libdrm found: NO (tried pkgconfig)
  gst-libs/gst/wayland/meson.build:3:0: ERROR: Dependency "libdrm" not found, tried pkgconfig

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/gstreamer1/gst1-plugins-bad/Config.in

@@ -555,6 +555,8 @@ config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_WAYLAND
 	bool "wayland"
 	default y
 	depends on BR2_PACKAGE_WAYLAND
+	depends on BR2_TOOLCHAIN_HAS_THREADS #  libdrm -> libpthread-stubs
+	select BR2_PACKAGE_LIBDRM
 	select BR2_PACKAGE_WAYLAND_PROTOCOLS
 	help
 	  Wayland Video Sink

package/gstreamer1/gst1-plugins-bad/gst1-plugins-bad.mk

@@ -66,7 +66,7 @@ GST1_PLUGINS_BAD_DEPENDENCIES = gst1-plugins-base gstreamer1
 
 ifeq ($(BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_WAYLAND),y)
 GST1_PLUGINS_BAD_CONF_OPTS += -Dwayland=enabled
-GST1_PLUGINS_BAD_DEPENDENCIES += wayland wayland-protocols
+GST1_PLUGINS_BAD_DEPENDENCIES += libdrm wayland wayland-protocols
 else
 GST1_PLUGINS_BAD_CONF_OPTS += -Dwayland=disabled
 endif