Enable asm-wasm mjsunit tests.

BUG= https://code.google.com/p/v8/issues/detail?id=4203
TEST=mjsunit/asm-wasm
R=aseemgarg@chromium.org,titzer@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/1687813003

Cr-Commit-Position: refs/heads/master@{#33883}

test/mjsunit/mjsunit.status

@@ -287,9 +287,6 @@
   # TODO(titzer): correct WASM adapter frame alignment on arm64
   'wasm/*': [PASS, ['arch == arm64', SKIP]],
 
-  # TODO(titzer): SSE 4.1 required for asm-wasm test (floor).
-  'wasm/asm-wasm': [SKIP],
-
   # case-insensitive unicode regexp relies on case mapping provided by ICU.
   'harmony/unicode-regexp-ignore-case': [PASS, ['no_i18n == True', FAIL]],
   'harmony/unicode-regexp-ignore-case-noi18n': [FAIL, ['no_i18n == True', PASS]],