package/gst-omx: bump version to 1.20.4

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 8513099bc2315047629907f8457a94987e4df47a)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gstreamer1/gst-omx/gst-omx.hash

@@ -1,3 +1,3 @@
-# From https://gstreamer.freedesktop.org/src/gst-omx/gst-omx-1.20.3.tar.xz.sha256sum
-sha256  8db48040bb41f09edf8d17ff6d16c54888d7777ba4501c2c69f0083350ea9a15  gst-omx-1.20.3.tar.xz
+# From https://gstreamer.freedesktop.org/src/gst-omx/gst-omx-1.20.4.tar.xz.sha256sum
+sha256  70ddd485e2dcab79070164d61ad2ff3a63e15a1d7abf9075d86eb77762b0edfd  gst-omx-1.20.4.tar.xz
 sha256  dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551  COPYING

package/gstreamer1/gst-omx/gst-omx.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-GST_OMX_VERSION = 1.20.3
+GST_OMX_VERSION = 1.20.4
 GST_OMX_SOURCE = gst-omx-$(GST_OMX_VERSION).tar.xz
 GST_OMX_SITE = https://gstreamer.freedesktop.org/src/gst-omx