Only compile nand when one target uses it

Patchworks-ID: 35202
Signed-off-by: NJuan Quintela <quintela@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Makefile.hw

@@ -16,7 +16,8 @@ obj-y += loader.o
 obj-y += virtio.o
 obj-y += fw_cfg.o
 obj-y += watchdog.o
-obj-y += nand.o ecc.o
+obj-y += ecc.o
+obj-$(CONFIG_NAND) += nand.o
 
 obj-y += m48t59.o escc.o
 

default-configs/arm-softmmu.mak

@@ -3,3 +3,4 @@
 CONFIG_GDBSTUB_XML=y
 CONFIG_USB_OHCI=y
 CONFIG_ISA_MMIO=y
+CONFIG_NAND=y

default-configs/cris-softmmu.mak

 # Default configuration for cris-softmmu
+
+CONFIG_NAND=y