[llvm] [AMDGPU][True16][MC] update a few mc test for true16 (PR #135816)

[Brox Chen via llvm-commits]

================
@@ -0,0 +1,43 @@
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1100 -mattr=-real-true16 %s 2>&1 | FileCheck %s -check-prefix=GCN-ERR --implicit-check-not=error: --strict-whitespace
+// RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=-real-true16 %s 2>&1 | FileCheck %s -check-prefix=GCN-ERR --implicit-check-not=error: --strict-whitespace
+
----------------
broxigarchen wrote:

it's in a seperate PR https://github.com/llvm/llvm-project/pull/135823

https://github.com/llvm/llvm-project/pull/135816