task-x11-server: import from Angstrom

* from meta-angstrom revision 8aa9581a920abae8878df2f3faf9857474edd1f8
* added RPROVIDES to be able to drop server part from task-x11
* updated DESCRIPTION to match
* renamed to task-x11-server for upgradeable path

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/recipes-core/tasks/task-x11-server_1.0.bb

@@ -0,0 +1,23 @@
+DESCRIPTION = "Task for an image with Xserver"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58"
+PR = "r9"
+
+inherit task
+
+# for backwards compatibility
+RPROVIDES_${PN} += "task-xserver"
+
+XSERVER ?= "xserver-xorg \
+           xf86-input-evdev \
+           xf86-input-mouse \
+           xf86-video-fbdev \
+           xf86-input-keyboard \
+"
+
+
+RDEPENDS_${PN} = " \
+  ${XSERVER} \
+"
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"