Modified the mpc5xxx and the ppc4xx cpu to use the generic OHCI driver
and adapted board configs TQM5200 and yosemite accordingly. This commit
also makes the maximum number of root hub ports configurable 
(CFG_USB_OHCI_MAX_ROOT_PORTS).
diff --git a/include/configs/trab.h b/include/configs/trab.h
index ae97947..33617cd 100644
--- a/include/configs/trab.h
+++ b/include/configs/trab.h
@@ -88,6 +88,7 @@
 #define CFG_USB_OHCI_CPU_INIT	1
 #define CFG_USB_OHCI_REGS_BASE	S3C24X0_USB_HOST_BASE
 #define CFG_USB_OHCI_SLOT_NAME	"s3c2400"
+#define CFG_USB_OHCI_MAX_ROOT_PORTS	15
 
 /*
  * Size of malloc() pool