Per license_is_gpl_compatible(), the MODULE_LICENSE() string for GPL v2 is
"GPL v2", not "GPLv2". Use "GPL v2" so this module doesn't taint the
kernel.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Sebastian Reichel <sre@kernel.org>