Enable the spec::simd::simd_address test for AArch64

Copyright (c) 2020, Arm Limited.

build.rs

@@ -180,6 +180,7 @@ fn ignore(testsuite: &str, testname: &str, strategy: &str) -> bool {
             _ => (),
         },
         "Cranelift" => match (testsuite, testname) {
+            ("simd", "simd_address") => return false,
             ("simd", "simd_i8x16_cmp") => return false,
             ("simd", "simd_i16x8_cmp") => return false,
             ("simd", "simd_i32x4_cmp") => return false,