Replaced the bash commands with a simple python patcher script.

Sming/Arch/Esp8266/Components/esp8266/Tools/patch-phy-bin.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+########################################################
+#
+#  Simple PHY binary patcher
+#  Author: Slavey Karadzhov <[email protected]>
+#
+########################################################
+import os
+import sys
+
+def usage():
+    print("Usage: \n\t%s <file.bin> [offset]" % sys.argv[0])
+
+if __name__ == "__main__":
+    if len(sys.argv)  not in list(range(2,4)):
+        usage()
+        sys.exit(1)
+
+    offset = 107
+    if len(sys.argv) > 2:
+        offset = int(sys.argv[2])
+
+    with os.fdopen(os.open(sys.argv[1], os.O_RDWR | os.O_CREAT), 'rb+') as f:
+        f.seek(offset)
+        f.write(bytearray(b'\xff'));

Sming/Arch/Esp8266/Components/esp8266/component.mk

@@ -5,7 +5,7 @@ SDK_BASE ?= $(COMPONENT_PATH)/ESP8266_NONOS_SDK
 
 SDK_BASE				:= $(call FixPath,$(SDK_BASE))
 FLASH_INIT_DATA			= $(SDK_BASE)/bin/esp_init_data_default.bin
-FLASH_INIT_DATA_VCC = $(SDK_BASE)/bin/esp_init_data_vcc_default.bin
+FLASH_INIT_DATA_VCC = $(SDK_BASE)/bin/esp_init_data_vdd_default.bin
 
 CUSTOM_TARGETS			+= $(FLASH_INIT_DATA) $(FLASH_INIT_DATA_VCC)
 
@@ -25,9 +25,11 @@ else
 SDK_INTERNAL			:= 0
 endif
 
+PHY_TOOL := $(COMPONENT_PATH)/Tools/patch-phy-bin.py
+
 $(FLASH_INIT_DATA_VCC): $(FLASH_INIT_DATA)
 	$(Q) cp $< $@
-	$(Q) printf "\377" | dd of=$@ bs=1 seek=107 count=1 conv=notrunc
+	$(Q) $(PYTHON) $(PHY_TOOL) $@
 
 DEBUG_VARS				+= SDK_LIBDIR SDK_INCDIR
 SDK_LIBDIR				:= $(SDK_BASE)/lib