satsuma: add device specific init

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: Idd0e0e5cebe6fb94a42cae3021d9015de4546252
satsuma: add device specific lights header

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: Idbce765aadbc2481c3af8a0bb95257b0ccd5f947