Add target cpu and tune for webOS

Author: cscd98

Makefile.webos

@@ -138,9 +138,10 @@ DEF_FLAGS += -ffunction-sections -fdata-sections
 DEF_FLAGS += -I. -Ideps -Ideps/stb -DWEBOS=1 -MMD
 DEF_FLAGS += -Wall -Wno-unused-variable
 LIBS := -ldl -lz -lrt -pthread
-CFLAGS :=
-CXXFLAGS := -fno-exceptions -fno-rtti -std=c++11 -D__STDC_CONSTANT_MACROS
-ASFLAGS :=
+ARCHFLAGS := -mcpu=cortex-a9 -mtune=cortex-a53 -mfloat-abi=softfp
+CFLAGS := $(ARCHFLAGS)
+CXXFLAGS := $(ARCHFLAGS) -fno-exceptions -fno-rtti -std=c++11 -D__STDC_CONSTANT_MACROS
+ASFLAGS := $(ARCHFLAGS)
 LDFLAGS := -Wl,-rpath=\$$ORIGIN/lib,--gc-sections
 INCLUDE_DIRS = -I$(WEBOS_INC_DIR)
 LIBRARY_DIRS = -L$(WEBOS_LIB_DIR)