staging: r8188eu: Turn on build of new driver

This commit modifies drivers/staging/Makefile, and adds the
drivers/staging/rtl8188eu/Makefile.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
3 files changed