Add support for uClibc test suite

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
Copy rootfs.pio to output directory

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
Fix unbound variable reference

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
Accept TA_BUILD_DIR in kernel build script

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
Run OpenPosix testsuite along with LTP

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
temporary hack to disable big ltp suite

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>
Add a target script to run uClibc test suite

Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>