Add EOR(register) and EOR(immediate) to ARM integrated assembler.

src/DartARM32/assembler_arm.cc

Index: src/DartARM32/assembler_arm.cc
diff --git a/src/DartARM32/assembler_arm.cc b/src/DartARM32/assembler_arm.cc
index d1730c6fe21fd0a73c66cd98300d1cf8daf68e51..a386bc2a86a0ca074a29d607409a4724036fc566 100644
--- a/src/DartARM32/assembler_arm.cc
+++ b/src/DartARM32/assembler_arm.cc
@@ -192,11 +192,12 @@ void Assembler::and_(Register rd, Register rn, Operand o, Condition cond) {
 }
 #endif
 
+#if 0
+// Moved to ARM32::AssemberARM32::eor()
 void Assembler::eor(Register rd, Register rn, Operand o, Condition cond) {
   EmitType01(cond, o.type(), EOR, 0, rn, rd, o);
 }
 
-#if 0
 // Moved to ARM32::AssemberARM32::sub()
 void Assembler::sub(Register rd, Register rn, Operand o, Condition cond) {
   EmitType01(cond, o.type(), SUB, 0, rn, rd, o);