Re-commit: [mips] Correct section alignments and EntrySizes for .bss, .text, .data, .reginfo, .MIPS.options, and .MIPS.abiflags

The lld tests will temporarily fail again but Simon Atanasyan will commit a fix for those shortly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212946 91177308-0d34-0410-b5e6-96231b3b80d8