libsmi: fix the test dump files

These test dump files were generated by smidump 0.4.5
which would not match with the ones generated by 0.4.8,
so update them with the ones for 0.4.8.

Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>