staging: dgap: adds driver to kernel build

This patch adds the dgap driver to the kernel build process.

Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 7d9ef62..d1b4b80 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -65,3 +65,4 @@
 obj-$(CONFIG_USB_BTMTK)		+= btmtk_usb/
 obj-$(CONFIG_XILLYBUS)		+= xillybus/
 obj-$(CONFIG_DGNC)			+= dgnc/
+obj-$(CONFIG_DGAP)			+= dgap/