recipes: cruft removal and seasonal cleanup

* Eliminate need for BBMASK - remove images requiring systemd/angstrom dependency
* Move ti-test packagegroup to proper location and update from latest Arago
* Move BoneScript and Bone GSG recipes to recipes-ti/beagleboard
* README in recipes-ti warns about unsupported nature of those packages

Signed-off-by: Denys Dmytriyenko <denys@ti.com>

recipes-core/packagegroups/packagegroup-ti-test.bb

@@ -0,0 +1,26 @@
+DESCRIPTION = "Extended task to get System Test specific apps"
+LICENSE = "MIT"
+PR = "r1"
+
+inherit packagegroup
+
+TEST = "\
+    bonnie++ \
+    hdparm \
+    iozone3 \
+    iperf \
+    lmbench \
+    rt-tests \
+    evtest \
+    bc \
+    memtester \
+    "
+
+TI_TEST = "\
+    ltp-ddt \
+    "
+
+RDEPENDS_${PN} = "\
+    ${TEST} \
+    ${TI_TEST} \
+    "