Add whitelist for uECC files for check-names.sh

Whitelist currently includes the unmatching symbols from uECC files.
This is now specific for the baremetal branch.
diff --git a/tests/scripts/check-names.sh b/tests/scripts/check-names.sh
index f18a162..a749501 100755
--- a/tests/scripts/check-names.sh
+++ b/tests/scripts/check-names.sh
@@ -26,12 +26,15 @@
 FAIL=0
 
 printf "\nExported symbols declared in header: "
-UNDECLARED=$( diff exported-symbols identifiers | sed -n -e 's/^< //p' )
-if [ "x$UNDECLARED" = "x" ]; then
+diff exported-symbols identifiers | sed -n -e 's/^< //p' > undeclared
+
+FILTERED=$( diff tests/scripts/whitelist undeclared | sed -n -e 's/^< //p')
+
+if [ "x$FILTERED" = "x" ]; then
     echo "PASS"
 else
     echo "FAIL"
-    echo "$UNDECLARED"
+    echo "$FILTERED"
     FAIL=1
 fi
 
@@ -84,7 +87,7 @@
 
 printf "\nOverall: "
 if [ "$FAIL" -eq 0 ]; then
-    rm macros actual-macros enum-consts identifiers exported-symbols
+    rm macros actual-macros enum-consts identifiers exported-symbols undeclared
     echo "PASSED"
     exit 0
 else