Not use L1 cache option for scheduling

This is to turn off using L1 cache option to tune latency for
scheduling.

Author: jgu222

visa/include/VISAOptionsDefs.h

@@ -461,7 +461,7 @@ DEF_VISA_OPTION(vISA_LocalSchedulingEndBB, ET_INT32, "-scheduleEndBB", UNUSED,
                 UINT_MAX)
 DEF_VISA_OPTION(vISA_assumeL1Hit, ET_BOOL, "-assumeL1Hit", UNUSED, false)
 DEF_VISA_OPTION(vISA_ignoreL1Hit, ET_BOOL, "-ignoreL1Hit",
-                "Ignore LSC L1Hit cache option when calculating latency in scheduling", false)
+                "Ignore LSC L1Hit cache option when calculating latency in scheduling", true)
 DEF_VISA_OPTION(vISA_writeCombine, ET_BOOL, "-writeCombine", UNUSED, true)
 DEF_VISA_OPTION(vISA_Q2FInIntegerPipe, ET_BOOL, "-Q2FInteger", UNUSED, false)
 DEF_VISA_OPTION(vISA_LocalScheduleingStartKernel, ET_INT32,