[mips] Fix mips-got16.s following r268900.
[mips] Fix mips-got16.s following r268900.

$LC0 and $LC1 are no longer present in the symbol table because they are
rewritten to .text+offset and .data+offset.


git-svn-id: f6089bf0e6284f307027cef4f64114ee9ebb0424@268911 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lld,llvm-mirror/lld