Adding MobileNet shallow Quant ranges files

llvm/test/VISC/DNN_Benchmarks/benchmarks/mobilenet_shallow/data/quant_ranges.txt

+-1.9892114 2.126797 -1.51646211648 1.64720817745 -9.86898064232 10.5609560184 
+0.0 6.82138112736 -1.18343908739 1.27315966272 -9.87599849701 7.51305247974 
+0.0 4.82606745577 -0.599876856983 0.681207345724 -5.63328983307 5.17789223576 
+0.0 4.02646304417 -0.455596786201 0.494261391461 -5.31680394173 4.60585025024 
+0.0 4.53264906311 -0.356576155901 0.338216508806 -6.1012511816 4.36305006886 
+0.0 3.98747043872 -0.285027833283 0.286046403348 -4.24385170364 3.48625040674 
+0.0 6.56306590176 -0.189464023232 0.190123907179 -4.93811571312 3.53836347675 
+0.0 1.89083880007 -0.351403944016 0.422872786462 -0.23878151 0.26507422 -14.6308162231 27.2725212326

llvm/test/VISC/DNN_Benchmarks/benchmarks/mobilenet_shallow/data/quant_ranges_rt.txt

+1 -1.9892114 2.126797 -1.51646211648 1.64720817745 -9.86898064232 10.5609560184 
+2 0.0 6.82138112736 -1.18343908739 1.27315966272 -9.87599849701 7.51305247974 
+3 0.0 4.82606745577 -0.599876856983 0.681207345724 -5.63328983307 5.17789223576 
+4 0.0 4.02646304417 -0.455596786201 0.494261391461 -5.31680394173 4.60585025024 
+5 0.0 4.53264906311 -0.356576155901 0.338216508806 -6.1012511816 4.36305006886 
+6 0.0 3.98747043872 -0.285027833283 0.286046403348 -4.24385170364 3.48625040674 
+7 0.0 6.56306590176 -0.189464023232 0.190123907179 -4.93811571312 3.53836347675 
+8 0.0 1.89083880007 -0.351403944016 0.422872786462 -0.23878151 0.26507422 -14.6308162231 27.2725212326