!5770 [MS][LITE][Develop] add fp16 eltwise register

Merge pull request !5770 from sunsuodong/add_eltwise_register

mindspore/lite/src/runtime/kernel/arm/fp16/arithmetic_fp16.cc

@@ -45,6 +45,7 @@ using mindspore::schema::PrimitiveType_Mul;
 using mindspore::schema::PrimitiveType_NotEqual;
 using mindspore::schema::PrimitiveType_SquaredDifference;
 using mindspore::schema::PrimitiveType_Sub;
+using mindspore::schema::PrimitiveType_Eltwise;
 
 namespace mindspore::kernel {
 ARITHMETIC_FUNC_INFO_FP16 arithmetic_fun_table_fp16[] = {
@@ -267,4 +268,5 @@ REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Less, CpuArithmeticFp16Kernel
 REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_LessEqual, CpuArithmeticFp16KernelCreator)
 REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Greater, CpuArithmeticFp16KernelCreator)
 REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_GreaterEqual, CpuArithmeticFp16KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeFloat16, PrimitiveType_Eltwise, CpuArithmeticFp16KernelCreator)
 }  // namespace mindspore::kernel