Fix function syntax

Signed-off-by: Louis Bouchard <louis.bouchard@ubuntu.com>
Add NFS remote dump collection

Signed-off-by: Louis Bouchard <louis.bouchard@ubuntu.com>
Add NFS info to kdump-config show

Add NFS details and reorganize to make it conditional

Signed-off-by: Louis Bouchard <louis.bouchard@ubuntu.com>
Add check to avoid SSH and NFS being set together

Signed-off-by: Louis Bouchard <louis.bouchard@ubuntu.com>