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>
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 0086ceb..7d9ef62 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -17,6 +17,7 @@
 obj-$(CONFIG_RTL8192U)		+= rtl8192u/
 obj-$(CONFIG_RTL8192E)		+= rtl8192e/
 obj-$(CONFIG_R8712U)		+= rtl8712/
+obj-$(CONFIG_R8188EU)		+= rtl8188eu/
 obj-$(CONFIG_RTS5139)		+= rts5139/
 obj-$(CONFIG_TRANZPORT)		+= frontier/
 obj-$(CONFIG_IDE_PHISON)	+= phison/