Explicitly set usb host channels to 8, as in the spec

Author: popcornmix

drivers/usb/host/dwc_otg/dwc_otg_core_if.h

@@ -267,7 +267,8 @@ extern int32_t dwc_otg_get_param_max_packet_count(dwc_otg_core_if_t * core_if);
 extern int dwc_otg_set_param_host_channels(dwc_otg_core_if_t * core_if,
 					   int32_t val);
 extern int32_t dwc_otg_get_param_host_channels(dwc_otg_core_if_t * core_if);
-#define dwc_param_host_channels_default 12
+//#define dwc_param_host_channels_default 12
+#define dwc_param_host_channels_default 8// Broadcom BCM2708
 
 /** The number of endpoints in addition to EP0 available for device
  * mode operations.