* remove tabs which sneaked in since last cleanup
* meta-oe layers are using consistent indentation with 4 spaces, see
http://www.openembedded.org/wiki/Styleguide
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Add usleep in to support sleeping some number of microseconds.
Signed-off-by: Ming Liu <ming.liu@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>