sdr: re-sort functions

Bring the functions in the same order as appearance in the specification.

Signed-off-by: robot <robot@robot01.sab.local>
Merge branch 'master' of https://github.com/kontron/python-ipmi
Merge branch 'master' of https://github.com/kontron/python-ipmi

Conflicts:
	pyipmi/sdr.py

Signed-off-by: Heiko Thiery <heiko.thiery@kontron.com>
sensor: fix typo in variable name

"Get Device SDR" usses a wrong variable name.

Signed-off-by: robot <robot@robot01.sab.local>