test: skip 006_multiple_maps on aarch64

Skip the test on aarch64 since the single-precision floating point
arithmetic might be different from x86_64.

Author: HanatoK

namd/tests/interface/006_multiple_maps/skip_test.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+ARCH=$(arch)
+if [ "$ARCH" = "aarch64" ]; then
+  exit 0
+else
+  exit 1
+fi