Add Multimedia Feature:

1. add starfive private packages: v4l2_test, pp_test, sf-gst-omx, sf-omx-il, stfisp_setfile, wave511, wave521
  v4l2_test: used to test v4l2 device
  pp_test: used to switch format and resolution for framebuffer framework
  sf-gst-omx: from gst-omx and compatible with the omx-il library
  sf-omx-il: starfive openmax il library for VPU hardware decode
  stfisp_setfile: this is the host build package, used to generate the isp registrer setting bin for v4l2 framework
  wave511: this is chip&media decode hardware wave511 vendor code building
  wave521: this is chip&media encode hardware wave521 vendor code building

2. Add the following gstreamer patch:
  add patch to support gstreamer plugin fbdevsink NV12 format
  add patch to support gst-play take priority to decoding h264/h265 with gst-omx plugin

Signed-off-by: sw.multimedia <sw.multimedia@starfivetech.com>
Signed-off-by: andy.hu <andy.hu@starfivetech.com>
Signed-off-by: michael.yan <michael.yan@starfivetech.com>
Signed-off-by: david.li <david.li@starfivetech.com>
Signed-off-by: Curry Zhang <curry.zhang@starfivetech.com>
Signed-off-by: keithzhao <keith.zhao@starfivetech.com>

(cherry picked from http://192.168.110.45/jh7100/buildroot/-/commit/fce6b25d98f81388fa4372739631c49222bf8eea)

package/starfive/sf-gst-omx/Config.in

@@ -0,0 +1,11 @@
+config SF_PACKAGE_GST_OMX
+	bool "sf-gst-omx"
+	depends on BR2_PACKAGE_SF_OMX_IL
+	select BR2_PACKAGE_GST1_PLUGINS_BASE
+	help
+	  GStreamer plug-in to use OpenMAX API.
+
+	  https://cgit.freedesktop.org/gstreamer/gst-omx
+
+comment "gst-omx requires a OpenMAX implementation"
+	depends on !BR2_PACKAGE_SF_OMX_IL