Only compile usb_ohci when one target uses it

Patchworks-ID: 35199
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

Makefile.target

@@ -180,7 +180,7 @@ QEMU_CFLAGS += $(VNC_SASL_CFLAGS)
 obj-$(CONFIG_XEN) += xen_machine_pv.o xen_domainbuild.o
 
 # USB layer
-obj-y += usb-ohci.o
+obj-$(CONFIG_USB_OHCI) += usb-ohci.o
 
 # PCI network cards
 obj-y += eepro100.o

default-configs/arm-softmmu.mak

@@ -1,3 +1,4 @@
 # Default configuration for arm-softmmu
 
 CONFIG_GDBSTUB_XML=y
+CONFIG_USB_OHCI=y

default-configs/ppc-softmmu.mak

@@ -1,3 +1,4 @@
 # Default configuration for ppc-softmmu
 
 CONFIG_GDBSTUB_XML=y
+CONFIG_USB_OHCI=y

default-configs/ppc64-softmmu.mak

@@ -1,3 +1,4 @@
 # Default configuration for ppc64-softmmu
 
 CONFIG_GDBSTUB_XML=y
+CONFIG_USB_OHCI=y

default-configs/ppcemb-softmmu.mak

@@ -1,3 +1,4 @@
 # Default configuration for ppcemb-softmmu
 
 CONFIG_GDBSTUB_XML=y
+CONFIG_USB_OHCI=y

default-configs/sh4-softmmu.mak

@@ -1 +1,3 @@
 # Default configuration for sh4-softmmu
+
+CONFIG_USB_OHCI=y

default-configs/sh4eb-softmmu.mak

@@ -1 +1,3 @@
 # Default configuration for sh4eb-softmmu
+
+CONFIG_USB_OHCI=y