PPC: Enable unaligned access and clean up the use of UNALIGNED_ACCESSES

src/interpreter/interpreter-assembler.cc

Index: src/interpreter/interpreter-assembler.cc
diff --git a/src/interpreter/interpreter-assembler.cc b/src/interpreter/interpreter-assembler.cc
index ac42e6cde49d3538c6ca534c9e65632eef1d0444..227fd395ce2d368ba00f1b96c8a12c62016e0dc2 100644
--- a/src/interpreter/interpreter-assembler.cc
+++ b/src/interpreter/interpreter-assembler.cc
@@ -989,10 +989,9 @@ void InterpreterAssembler::TraceBytecodeDispatch(Node* target_bytecode) {
 bool InterpreterAssembler::TargetSupportsUnalignedAccess() {
 #if V8_TARGET_ARCH_MIPS || V8_TARGET_ARCH_MIPS64
   return false;
-#elif V8_TARGET_ARCH_PPC
-  return CpuFeatures::IsSupported(UNALIGNED_ACCESSES);
 #elif V8_TARGET_ARCH_IA32 || V8_TARGET_ARCH_X64 || V8_TARGET_ARCH_X87 || \
-    V8_TARGET_ARCH_S390 || V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_ARM64
+    V8_TARGET_ARCH_S390 || V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_ARM64 || \
+    V8_TARGET_ARCH_PPC
   return true;
 #else
 #error "Unknown Architecture"