Staging: add Kconfig entries and Makefile infrastructure

This hooks up the drivers/staging directory to the build system

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
new file mode 100644
index 0000000..ceb0328
--- /dev/null
+++ b/drivers/staging/Makefile
@@ -0,0 +1,2 @@
+# Makefile for staging directory
+