Documentations: scsi, kvm: Update s390-tools GitHub URL

The GitHub organisation name under which the s390-tools package is being
hosted has changed. Update the web link.

Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

Documentation/scsi/scsi-parameters.rst

@@ -94,7 +94,7 @@ parameters may be changed at runtime by the command
 			(/proc/sys/dev/scsi/logging_level).
 			There is also a nice 'scsi_logging_level' script in the
 			S390-tools package, available for download at
-			https://github.com/ibm-s390-tools/s390-tools/blob/master/scripts/scsi_logging_level
+			https://github.com/ibm-s390-linux/s390-tools/blob/master/scripts/scsi_logging_level
 
 	scsi_mod.scan=	[SCSI] sync (default) scans SCSI busses as they are
 			discovered.  async scans them in kernel threads,

Documentation/virt/kvm/s390-pv-boot.rst

@@ -80,5 +80,5 @@ Keys
 ----
 Every CEC will have a unique public key to enable tooling to build
 encrypted images.
-See  `s390-tools <https://github.com/ibm-s390-tools/s390-tools/>`_
+See  `s390-tools <https://github.com/ibm-s390-linux/s390-tools/>`_
 for the tooling.