gstreamer1.0-plugins-bad: add support for vdpau

libvdpau support was added to meta-oe by commit bf1de4db2 ("libvdpau:
Add recipe") in 2016. Therefore add a packageconfig for the
corresponding gstreamer plugin.

Based on a patch by Richard Leitner <richard.leitner@skidata.com>

(From OE-Core rev: 878a8561e10017bb91ea42bbbe6d4acfc0985482)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad_1.16.2.bb

@@ -75,6 +75,7 @@ PACKAGECONFIG[srtp]            = "-Dsrtp=enabled,-Dsrtp=disabled,libsrtp"
 PACKAGECONFIG[tinyalsa]        = "-Dtinyalsa=enabled,-Dtinyalsa=disabled,tinyalsa"
 PACKAGECONFIG[ttml]            = "-Dttml=enabled,-Dttml=disabled,libxml2 pango cairo"
 PACKAGECONFIG[uvch264]         = "-Duvch264=enabled,-Duvch264=disabled,libusb1 libgudev"
+PACKAGECONFIG[vdpau]           = "-Dvdpau=enabled,-Dvdpau=disabled,libvdpau"
 PACKAGECONFIG[voaacenc]        = "-Dvoaacenc=enabled,-Dvoaacenc=disabled,vo-aacenc"
 PACKAGECONFIG[voamrwbenc]      = "-Dvoamrwbenc=enabled,-Dvoamrwbenc=disabled,vo-amrwbenc"
 PACKAGECONFIG[vulkan]          = "-Dvulkan=enabled,-Dvulkan=disabled,vulkan-loader"
@@ -88,7 +89,7 @@ PACKAGECONFIG[zbar]            = "-Dzbar=enabled,-Dzbar=disabled,zbar"
 #   aom androidmedia applemedia bs2b chromaprint d3dvideosink
 #   directsound dts fdkaac gme gsm iq kate ladspa lv2 mpeg2enc
 #   mplex musepack nvdec nvenc ofa openexr openni2 opensles
-#   soundtouch spandsp srt teletext vdpau wasapi wildmidi winks
+#   soundtouch spandsp srt teletext wasapi wildmidi winks
 #   winscreencap wpe x265
 
 EXTRA_OEMESON += " \
@@ -127,7 +128,6 @@ EXTRA_OEMESON += " \
     -Dspandsp=disabled \
     -Dsrt=disabled \
     -Dteletext=disabled \
-    -Dvdpau=disabled \
     -Dwasapi=disabled \
     -Dwildmidi=disabled \
     -Dwinks=disabled \