change esptool path logic

Author: blue-2357

platform.txt

@@ -3,9 +3,10 @@ version=0.0.1
 
 runtime.tools.xtensa-esp32-elf-gcc.path={runtime.platform.path}/tools/xtensa-esp32-elf
 
-tools.esptool.cmd="{runtime.platform.path}/tools/esptool"
-tools.esptool.cmd.linux=python "{runtime.platform.path}/tools/esptool.py"
-tools.esptool.cmd.windows="{runtime.platform.path}/tools/esptool.exe"
+tools.esptool.path="{runtime.platform.path}/tools/esptool"
+tools.esptool.cmd={tools.esptool.path}
+tools.esptool.cmd.linux=python "{tools.esptool.path}.py"
+tools.esptool.cmd.windows="{tools.esptool.path}.exe"
 
 tools.esptool.network_cmd=python "{runtime.platform.path}/tools/espota.py"
 tools.esptool.network_cmd.windows="{runtime.platform.path}/tools/espota.exe"