Update build_cadence_vision.sh

Author: cad-rlc

backends/cadence/build_cadence_vision.sh

@@ -13,7 +13,7 @@ export XTENSA_CORE=XRC_Vision_130_AO
 git submodule sync
 git submodule update --init --recursive
 ./install_requirements.sh
-CFLAGS="-D_mm_loadu_si64=_mm_loadl_epi64 -D_mm_storeu_si64=_mm_storel_epi64" ./install_executorch.sh
+./install_executorch.sh
 
 rm -rf cmake-out