Merge branch E3SM-Project/ndk/machinefiles/pm-cpu-nvidia-trace-env-var (PR #7852)

For pm-cpu using nvidia compiler, add environment variable to get more DEBUG information

Author: ndkeen

cime_config/machines/config_machines.xml

@@ -305,6 +305,9 @@
       <env name="LAPACK_ROOT">$SHELL{if [ -z "$LAPACK_ROOT" ]; then echo $NVIDIA_PATH/compilers; else echo "$LAPACK_ROOT"; fi}</env>
       <env name="BLA_VENDOR">NVHPC</env>
     </environment_variables>
+    <environment_variables compiler="nvidia" DEBUG="TRUE">
+      <env name="NVCOMPILER_TERM">trace</env>
+    </environment_variables>
     <environment_variables compiler="intel">
       <env name="BLA_VENDOR">Intel10_64_dyn</env>
     </environment_variables>
@@ -657,6 +660,9 @@
       <env name="LAPACK_ROOT">$SHELL{if [ -z "$LAPACK_ROOT" ]; then echo $NVIDIA_PATH/compilers; else echo "$LAPACK_ROOT"; fi}</env>
       <env name="BLA_VENDOR">NVHPC</env>
     </environment_variables>
+    <environment_variables compiler="nvidia" DEBUG="TRUE">
+      <env name="NVCOMPILER_TERM">trace</env>
+    </environment_variables>
     <environment_variables compiler="intel">
       <env name="BLA_VENDOR">Intel10_64_dyn</env>
     </environment_variables>
@@ -1009,6 +1015,9 @@
       <env name="LAPACK_ROOT">$SHELL{if [ -z "$LAPACK_ROOT" ]; then echo $NVIDIA_PATH/compilers; else echo "$LAPACK_ROOT"; fi}</env>
       <env name="BLA_VENDOR">NVHPC</env>
     </environment_variables>
+    <environment_variables compiler="nvidia" DEBUG="TRUE">
+      <env name="NVCOMPILER_TERM">trace</env>
+    </environment_variables>
     <environment_variables compiler="intel">
       <env name="BLA_VENDOR">Intel10_64_dyn</env>
     </environment_variables>