Update glusterfs version to 3.4.1

Version 3.4.0 fails to download, and current vdsm requires version
3.4.1.

Change-Id: I0d03e2fcf19f754622f447a0045742af1374216d
Signed-off-by: Nir Soffer <nsoffer@redhat.com>
boot: Fix kernel panic when booting from USB3 port

Centos builds the USB3 driver (xhci-hcd) as a module. The module was not
available during boot, which caused a kernel panic.  This patch adds
kickstart device directive to ensure that xhci-hcd module is available
during boot.

Change-Id: If798b99abea32178f4105ec4cf94b833fc9c3bd4
Signed-off-by: Nir Soffer <nsoffer@redhat.com>