ehea: Add dependency to Kconfig

The new ehea memory hot plug implementation depends on MEMORY_HOTPLUG.
Signed-off-by: NHannes Hering <hering2@de.ibm.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

drivers/net/Kconfig

@@ -2426,7 +2426,7 @@ config CHELSIO_T3
 
 config EHEA
 	tristate "eHEA Ethernet support"
-	depends on IBMEBUS && INET && SPARSEMEM
+	depends on IBMEBUS && INET && SPARSEMEM && MEMORY_HOTPLUG
 	select INET_LRO
 	---help---
 	  This driver supports the IBM pSeries eHEA ethernet adapter.