Fix testing of DefaultSmallConfig; bump rocket et al

vsim/Makefrag

@@ -45,6 +45,7 @@ VCS_OPTS = -notice -line +lint=all,noVCDE,noONGS,noUI -error=PCWM-L -timescale=1
 	+incdir+$(generated_dir) \
 	+define+CLOCK_PERIOD=0.5 $(sim_vsrcs) $(sim_csrcs) \
 	+define+PRINTF_COND=$(TB).printf_cond \
+	+define+RANDOMIZE \
 	+libext+.v \
 
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