x87: currently Turbofan is not supported by X87 so this test case is disabled.

BUG=
R=mstarzinger@chromium.org, weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/879693005

Cr-Commit-Position: refs/heads/master@{#26487}

test/mjsunit/mjsunit.status

@@ -571,6 +571,12 @@
   'harmony/symbols': [SKIP],
 }],  # 'arch == nacl_ia32 or arch == nacl_x64'
 
+##############################################################################
+['arch == x87', {
+  # Currently Turbofan is not supported by x87.
+  'compiler/opt-next-call-turbo': [SKIP],
+}],  # 'arch == x87'
+
 ##############################################################################
 ['deopt_fuzzer == True', {