Add patch for sdk 1.5.2, from http://bbs.espressif.com/viewtopic.php?f=46&t=1856

Makefile

@@ -174,8 +174,10 @@ sdk_patch: $(VENDOR_SDK_DIR)/.dir .sdk_patch_$(VENDOR_SDK)
 	cd $(VENDOR_SDK_DIR)/lib; mkdir -p tmp; cd tmp; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar x ../libcrypto.a; cd ..; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar rs libwpa.a tmp/*.o
 	@touch $@
 
-.sdk_patch_1.5.2:
+.sdk_patch_1.5.2: Patch01_for_ESP8266_NONOS_SDK_V1.zip
 	echo -e "#undef ESP_SDK_VERSION\n#define ESP_SDK_VERSION 010502" >>$(VENDOR_SDK_DIR)/include/esp_sdk_ver.h
+	$(UNZIP) Patch01_for_ESP8266_NONOS_SDK_V1.5.2.zip
+	mv libssl.a libnet80211.a libmain.a $(VENDOR_SDK_DIR_1.5.2)/lib/
 	$(PATCH) -d $(VENDOR_SDK_DIR) -p1 < c_types-c99.patch
 	cd $(VENDOR_SDK_DIR)/lib; mkdir -p tmp; cd tmp; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar x ../libcrypto.a; cd ..; $(TOOLCHAIN)/bin/xtensa-lx106-elf-ar rs libwpa.a tmp/*.o
 	@touch $@
@@ -366,6 +368,8 @@ libsmartconfig_2.4.2.zip:
 	wget --content-disposition "http://bbs.espressif.com/download/file.php?id=585"
 lib_mem_optimize_150714.zip:
 	wget --content-disposition "http://bbs.espressif.com/download/file.php?id=594"
+Patch01_for_ESP8266_NONOS_SDK_V1.zip:
+	wget --content-disposition "http://bbs.espressif.com/download/file.php?id=1168"
 
 clean-sdk:
 	rm -rf $(VENDOR_SDK_DIR)