[Mips] Remove "REQUIRES: mips-registered-target" from some MIPS-related
driver tests. These tests check the driver only and do not require mips
target.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180042 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed