(CFACT 102) Add partition facts for solaris

This patch adds partition facts including product, size and vendor
for disks in solaris.
(CFACT 102) Add true supported filesystems for solaris

Actually lookup the kernel drivers for supported filesystems rather than
relying on the currently mounted filesystems.
Merge branch 'vrthra-fix/cfact-102/solaris-partition'

* vrthra-fix/cfact-102/solaris-partition:
  (CFACT 102) Add true supported filesystems for solaris
  (CFACT 102) Add partition facts for solaris