uwb: build UWB before USB/WUSB

The WHCI-HCD driver in drivers/usb/host/ depends on the umc driver in
drivers/uwb/.
Signed-off-by: David Vrabel <david.vrabel@csr.com>

drivers/Makefile

@@ -56,6 +56,7 @@ obj-$(CONFIG_MAC)		+= macintosh/
 obj-$(CONFIG_ATA_OVER_ETH)	+= block/aoe/
 obj-$(CONFIG_PARIDE) 		+= block/paride/
 obj-$(CONFIG_TC)		+= tc/
+obj-$(CONFIG_UWB)		+= uwb/
 obj-$(CONFIG_USB)		+= usb/
 obj-$(CONFIG_USB_MUSB_HDRC)	+= usb/musb/
 obj-$(CONFIG_PCI)		+= usb/
@@ -100,4 +101,3 @@ obj-$(CONFIG_SSB)		+= ssb/
 obj-$(CONFIG_VIRTIO)		+= virtio/
 obj-$(CONFIG_REGULATOR)		+= regulator/
 obj-$(CONFIG_STAGING)		+= staging/
-obj-$(CONFIG_UWB)		+= uwb/