[ELF] PowerOpen ABI -> Power Architecture 64-bit v2 ABI. NFC

[ruiu]

LGTM

ELF/Writer.cpp

if (Config->EMachine == EM_MIPS) {
     // pointer. This symbol is used in the code generated by .cpload pseudo-op
     // in case of using -mno-shared option.
     // https://sourceware.org/ml/binutils/2004-12/msg00094.html
     if (Symtab->find("__gnu_local_gp"))
       ElfSym::MipsLocalGp =
           Symtab->addAbsolute("__gnu_local_gp", STV_HIDDEN, STB_GLOBAL);
   }
 
-  // The 64-bit PowerOpen ABI defines a TableOfContents (TOC) which combines the
-  // typical ELF GOT with the small data sections. It commonly includes .got
-  // .toc .sdata .sbss. The .TOC. symbol replaces both _GLOBAL_OFFSET_TABLE_ and
-  // _SDA_BASE_ from the 32-bit ABI. It is used to represent the TOC base which
-  // is offset by 0x8000 bytes from the start of the .got section.
+  // The Power Architecture 64-bit v2 ABI defines a TableOfContents (TOC) which
+  // combines the typical ELF GOT with the small data sections. It commonly
+  // includes .got .toc .sdata .sbss. The .TOC. symbol replaces both
+  // _GLOBAL_OFFSET_TABLE_ and _SDA_BASE_ from the 32-bit ABI. It is used to
+  // represent the TOC base which is offset by 0x8000 bytes from the start of
+  // the .got section.
   ElfSym::GlobalOffsetTable = addOptionalRegular(
       (Config->EMachine == EM_PPC64) ? ".TOC." : "_GLOBAL_OFFSET_TABLE_",
       Out::ElfHeader, Target->GotBaseSymOff);
 
   // __ehdr_start is the location of ELF file headers. Note that we define
   // this symbol unconditionally even when using a linker script, which
   // differs from the behavior implemented by GNU linker which only define
   // this symbol if ELF headers are in the memory mapped segment.