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 e4d26937d9ecc02775485c40b6fcc16509e63687..52bc890b99d9f90cbf196b0e3bf5bf3f3304b672 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"