Add camera support for RPi and SABRE

Include necessary gstreamer plugins to enable camera usage in Qt.
Camera is enabled in RPi boot configuration, and needed kernel modules
are loaded during boot on in RPi and SABRE.

Change-Id: Iaeb17933b7d7dabb30db638db6594ab6aada05a0
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
Reviewed-by: Gatis Paeglis <gatis.paeglis@digia.com>

conf/distro/include/imx6qsabresd.conf

@@ -29,7 +29,7 @@ BOOTFS_CONTENT = "\
     ${KERNEL_IMAGETYPE}-imx6q-sabresd-ldo.dtb:imx6q-sabresd-ldo.dtb \
     u-boot-${MACHINE}.imx:u-boot.imx \
     "
-BOOTFS_DEPENDS = "u-boot:do_deploy"
+BOOTFS_DEPENDS = "u-boot:do_deploy virtual/kernel:do_deploy"
 
 PREFERRED_VERSION_gpu-viv-bin-mx6q = "3.10.17-1.0.1-hfp"
 PREFERRED_VERSION_imx-lib = "3.10.17-1.0.0"
@@ -59,4 +59,6 @@ MACHINE_EXTRA_INSTALL_SDK_HOST = "\
         wayland-nativesdk \
         "
 
+module_autoload_mxc_v4l2_capture = "mxc_v4l2_capture"
+
 ADB_PRODUCTID = "0x0000"

conf/distro/include/raspberrypi.conf

@@ -39,6 +39,10 @@ MACHINE_EXTRA_INSTALL_SDK = " \
         "
 
 module_autoload_snd-bcm2835 = "snd-bcm2835"
+module_autoload_bcm2835-v4l2 = "bcm2835-v4l2"
+module_conf_bcm2835-v4l2 = "options bcm2835-v4l2 gst_v4l2src_is_broken=1"
 
 # additional memory for GPU
 GPU_MEM = "128"
+# video camera support
+VIDEO_CAMERA = "1"

recipes/packagegroup/packagegroup-b2qt-embedded-gstreamer.bb

@@ -31,15 +31,23 @@ RDEPENDS_${PN} = "\
         gst-meta-audio \
         gst-plugins-good \
         gst-plugins-base-app \
+        gst-plugins-base-audiorate \
+        gst-plugins-base-videorate \
+        gst-plugins-base-encodebin \
         gst-plugins-good-videofilter \
         gst-plugins-good-id3demux \
         gst-plugins-good-auparse \
         gst-plugins-good-isomp4 \
         gst-plugins-good-icydemux \
+        gst-plugins-good-video4linux2 \
+        gst-plugins-good-multifile \
+        gst-plugins-good-videocrop \
         gst-plugins-ugly-rmdemux \
         gst-plugins-ugly-asf \
         gst-plugins-ugly-a52dec \
         gst-plugins-bad-mpegdemux \
         gst-plugins-bad-faad \
+        gst-plugins-bad-camerabin2 \
+        gst-plugins-bad-jpegformat \
         gst-ffmpeg \
         "