slimport: add slimport anx7808 driver

add slimport anx7808 driver

Change-Id: I133d5272172532a52e27e08779b97789c104173a
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index de4ad40..8f6735d 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -689,4 +689,6 @@
 source "drivers/misc/lis3lv02d/Kconfig"
 source "drivers/misc/carma/Kconfig"
 source "drivers/misc/altera-stapl/Kconfig"
+source "drivers/misc/slimport_anx7808/Kconfig"
+
 endmenu