MC: Update MCCodeEmitter naming. NFC.

s/EncodeInstruction/encodeInstruction/

llvm-svn: 237469
diff --git a/llvm/lib/Target/X86/X86MCInstLower.cpp b/llvm/lib/Target/X86/X86MCInstLower.cpp
index fb3afc0..524dddf 100644
--- a/llvm/lib/Target/X86/X86MCInstLower.cpp
+++ b/llvm/lib/Target/X86/X86MCInstLower.cpp
@@ -87,7 +87,7 @@
       SmallString<256> Code;
       SmallVector<MCFixup, 4> Fixups;
       raw_svector_ostream VecOS(Code);
-      CodeEmitter->EncodeInstruction(Inst, VecOS, Fixups, STI);
+      CodeEmitter->encodeInstruction(Inst, VecOS, Fixups, STI);
       VecOS.flush();
       CurrentShadowSize += Code.size();
       if (CurrentShadowSize >= RequiredShadowSize)