Removing the endian attribute and updating associated test cases.  This functionality was never completely implemented, and this is an improvement over silently eating the attribute.

llvm-svn: 190303
diff --git a/clang/test/SemaOpenCL/endian-attr.cl b/clang/test/SemaOpenCL/endian-attr.cl
index ba2f0e5..f776643 100644
--- a/clang/test/SemaOpenCL/endian-attr.cl
+++ b/clang/test/SemaOpenCL/endian-attr.cl
@@ -1,9 +1,3 @@
 // RUN: %clang_cc1 -verify %s
 
-constant long a __attribute__((endian(host))) = 100;
-
-constant long b __attribute__((endian(device))) = 100;
-
-constant long c __attribute__((endian(none))) = 100; // expected-warning {{unknown endian 'none'}}
-
-void func() __attribute__((endian(host))); // expected-warning {{'endian' attribute only applies to variables}}
+constant long a __attribute__((endian(host))) = 100;	// expected-warning {{unknown attribute 'endian' ignored}}