usbip: tools: Install all headers needed for libusbip development

usbip_host_driver.h now depends on several additional headers, which
need to be installed along with it.

Fixes: 021aed84 ("staging: usbip: userspace: migrate usbip_host_driver ...")
Fixes: 3391ba0e

 ("usbip: tools: Extract generic code to be shared with ...")
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>