More cleanup for the delta board and the generic usb_ohci driver. Added
CFG_USB_BOARD_INIT and CFG_USB_CPU_INIT for enabling board and cpu specific
initialization and cleanup hooks respectively.
diff --git a/cpu/pxa/Makefile b/cpu/pxa/Makefile
index 1af53d6..bd476f1 100644
--- a/cpu/pxa/Makefile
+++ b/cpu/pxa/Makefile
@@ -26,7 +26,7 @@
LIB = lib$(CPU).a
START = start.o
-OBJS = serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o
+OBJS = serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o usb.o
all: .depend $(START) $(LIB)