staging: lustre: debugfs: improve osc/mdc "imports" connect data

staging: lustre: debugfs: improve osc/mdc "imports" connect data

Improve /sys/debug/fs/lustre/{osc,mdc}/*/import files to print
the struct obd_connect_data data fields as "connect_data:"
in addition to the "connect_flags:" field.

Signed-off-by: Emoly Liu <[email protected]>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3386
Reviewed-on: http://review.whamcloud.com/6588
Reviewed-by: Andreas Dilger <[email protected]>
Reviewed-by: James Simmons <[email protected]>
Reviewed-by: John L. Hammond <[email protected]>
Signed-off-by: James Simmons <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>