Correctly install mali and fbturbo driver:

- add correct xorg config
- For mali-sunxi driver to work it also need library files from sunxi-mali-dev
  package. Adding sunxi-mali-dev to XSERVER force the installation of
  the -dev

recipes-graphics/xorg-xserver/xf86-video-fbturbo/20-fbturbo.conf

@@ -0,0 +1,7 @@
+Section "Device"
+        Identifier      "Allwinner A10/A13 FBDEV"
+        Driver          "fbturbo"
+        Option          "fbdev" "/dev/fb0"
+
+        Option          "SwapbuffersWait" "false"
+EndSection

recipes-graphics/xorg-xserver/xf86-video-fbturbo_git.bb

@@ -2,16 +2,24 @@ require recipes-graphics/xorg-driver/xorg-driver-video.inc
 
 DESCRIPTION = "X.Org X server -- A10/A13 display driver"
 
-PR = "1"
+PR = "2"
 
 LICENSE = "MIT-X"
 LIC_FILES_CHKSUM = "file://COPYING;md5=f91dc3ee5ce59eb4b528e67e98a31266"
 
-SRC_URI = "git://github.com/ssvb/xf86-video-fbturbo.git;protocol=http;branch=master"
+SRC_URI = "git://github.com/ssvb/xf86-video-fbturbo.git;protocol=http;branch=master \
+           file://20-fbturbo.conf"
 
 SRCREV_pn-${PN} = "fed3148bad26186dd04707cdac67809a666f1742"
 S = "${WORKDIR}/git"
 
 CFLAGS += " -I${STAGING_INCDIR}/xorg "
 
-DEPENDS += "sunxi-mali"
+DEPENDS += "sunxi-mali"
+
+FILES_${PN} += "${datadir}/X11/xorg.conf.d/20-fbturbo.conf"
+
+do_install_append() {
+    install -d ${D}${datadir}/X11/xorg.conf.d
+    install -m 0644 ${WORKDIR}/20-fbturbo.conf ${D}${datadir}/X11/xorg.conf.d
+}

recipes-graphics/xorg-xserver/xserver-xf86-config/xorg.conf

@@ -1,22 +0,0 @@
-
-Section "Device"
-    Identifier    "Generic Fbdev Driver"
-    Driver        "fbdev"
-EndSection
-
-Section "Monitor"
-    Identifier    "Generic Monitor"
-    Option        "DPMS"
-EndSection
-
-Section "Screen"
-    Identifier    "Default Screen"
-    Device        "Generic Fbdev Driver"
-    Monitor        "Generic Monitor"
-    DefaultDepth    24
-EndSection
-
-Section "ServerLayout"
-    Identifier    "Default Layout"
-    Screen        "Default Screen"
-EndSection