usb: chipidea: trace: fix the endian issue

usb: chipidea: trace: fix the endian issue

"sparse warnings: (new ones prefixed by >>)"
   drivers/usb/chipidea/trace.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, drivers/usb/chipidea/trace.h):
>> drivers/usb/chipidea/./trace.h:39:1: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] next @@     got restricted __le32 [usertype] next @@
>> drivers/usb/chipidea/./trace.h:39:1: sparse:     expected unsigned int [usertype] next
>> drivers/usb/chipidea/./trace.h:39:1: sparse:     got restricted __le32 [usertype] next
>> drivers/usb/chipidea/./trace.h:39:1: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] token @@     got restricted __le32 [usertype] token @@
>> drivers/usb/chipidea/./trace.h:39:1: sparse:     expected unsigned int [usertype] token
>> drivers/usb/chipidea/./trace.h:39:1: sparse:     got restricted __le32 [usertype] token
   drivers/usb/chipidea/trace.c: note: in included file (through include/trace/perf.h, include/trace/define_trace.h, drivers/usb/chipidea/trace.h):
>> drivers/usb/chipidea/./trace.h:39:1: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] next @@     got restricted __le32 [usertype] next @@
>> drivers/usb/chipidea/./trace.h:39:1: sparse:     expected unsigned int [usertype] next
>> drivers/usb/chipidea/./trace.h:39:1: sparse:     got restricted __le32 [usertype] next
>> drivers/usb/chipidea/./trace.h:39:1: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] token @@     got restricted __le32 [usertype] token @@
>> drivers/usb/chipidea/./trace.h:39:1: sparse:     expected unsigned int [usertype] token
>> drivers/usb/chipidea/./trace.h:39:1: sparse:     got restricted __le32 [usertype] token

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>