Staging: android: add the code back to the build

It builds, so ship it!

Cc: Arve Hjønnevåg <arve@android.com>
Cc: Brian Swetland <swetland@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index eba8ef6..6e615b6 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -58,3 +58,4 @@
 obj-$(CONFIG_INTEL_MEI)		+= mei/
 obj-$(CONFIG_MFD_NVEC)		+= nvec/
 obj-$(CONFIG_DRM_OMAP)		+= omapdrm/
+obj-$(CONFIG_ANDROID)		+= android/