os_win32.cpp: CSMI: Add workaround for AMD RAID drivers which return

incomplete and incorrect drive information in CSMI_SAS_PHY_INFO
(GH issues/39).

Thanks to GH user 'Shine-' for original patch and testing.

git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk@4966 4ea69e1a-61f1-4043-bf83-b5c94c648137