feat(elfname): modify Makefile to config project name

Makefile

@@ -6,17 +6,21 @@
 export PROJECT_PATH := $(PWD)
 export IDF_PATH ?= $(PWD)/esp-idf
 
+ifeq ($(SERVER), 1)
+	PROJECT_NAME := iotivity_server
+else
+	PROJECT_NAME := iotivity_client
+endif
+
 include $(IDF_PATH)/make/project.mk
 
 # sdkconfig is included project.mk recursively
 # after setting sdkconfig done, start user layer macro define  
 ifdef CONFIG_IOTIVITY_CLIENT
-    PROJECT_NAME := iotivity_client
     CFLAGS += -DOC_CLIENT
 endif
 
 ifdef CONFIG_IOTIVITY_SERVER
-    PROJECT_NAME := iotivity_server
    CFLAGS += -DOC_SERVER
 endif