fix_CUDA_ARCH_BIN (#38601)

paddle/scripts/paddle_build.sh

@@ -236,7 +236,7 @@ function cmake_base() {
         -DON_INFER=${ON_INFER:-OFF}
         -DWITH_HETERPS=${WITH_HETERPS:-OFF}
         -DWITH_FLUID_ONLY=${WITH_FLUID_ONLY:-OFF} 
-        -DCUDA_ARCH_BIN="${DCUDA_ARCH_BIN}"
+        -DCUDA_ARCH_BIN="${CUDA_ARCH_BIN}"
     ========================================
 EOF
     # Disable UNITTEST_USE_VIRTUALENV in docker because
@@ -284,7 +284,7 @@ EOF
         -DON_INFER=${ON_INFER:-OFF} \
         -DWITH_HETERPS=${WITH_HETERPS:-OFF} \
         -DWITH_FLUID_ONLY=${WITH_FLUID_ONLY:-OFF} \
-        -DCUDA_ARCH_BIN="${DCUDA_ARCH_BIN}" \
+        -DCUDA_ARCH_BIN="${CUDA_ARCH_BIN}" \
         -DWITH_UNITY_BUILD=${WITH_UNITY_BUILD:-OFF};build_error=$?
     if [ "$build_error" != 0 ];then
         exit 7;