xhci: Clean up work to xhci_add_endpoint().
xhci: Clean up work to xhci_add_endpoint().

This patch removes unused variable "out_ctx" and avoid multiple calls
to function xhci_get_endpoint_flag().

Signed-off-by: Lin Wang <bbd0dd38e694d6b6e4efa9648c08b20fdec765ba@intel.com>
Signed-off-by: Mathias Nyman <2d4473c5e67eb83655334d4e9a7757f781607241@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs