Staging: ipack: move out of staging

The ipack subsystem is cleaned up enough to now move out of the staging
tree, and into drivers/ipack.

Cc: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Cc: Jens Taprogge <jens.taprogge@taprogge.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/Kconfig

diff --git a/drivers/Kconfig b/drivers/Kconfig
index dbdefa3f..f5fb072 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -156,4 +156,6 @@
 
 source "drivers/irqchip/Kconfig"
 
+source "drivers/ipack/Kconfig"
+
 endmenu