populate_sdk: verify executable or dynamically linked library
When toolchain directory is changed to execute mode, some non-executable
files or empty files are sorted. This will result in some errors. Thus when
sorting executable files or dynamically linked library, additional conditions
are to exclude non-executable files or empty files.
Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
