[mips] -mno-shared should only be given to the assembler when -fPIC/-fpic/-fPIE/-fpie is not in effect.

This fixes compiler recursion on MIPS32r2.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@213741 91177308-0d34-0410-b5e6-96231b3b80d8