add flag to esptool to hard reset after flashing (#5433)

Author: devyte

Diff for: platform.txt

@@ -134,7 +134,7 @@ tools.esptool.network_cmd.windows=python.exe
 tools.esptool.upload.protocol=esp
 tools.esptool.upload.params.verbose=-vv
 tools.esptool.upload.params.quiet=
-tools.esptool.upload.pattern="{path}/{cmd}" {upload.verbose} -cd {upload.resetmethod} -cb {upload.speed} -cp "{serial.port}" {upload.erase_cmd} -ca 0x00000 -cf "{build.path}/{build.project_name}.bin"
+tools.esptool.upload.pattern="{path}/{cmd}" {upload.verbose} -cd {upload.resetmethod} -cb {upload.speed} -cp "{serial.port}" {upload.erase_cmd} -ca 0x00000 -cf "{build.path}/{build.project_name}.bin" -cr
 tools.esptool.upload.network_pattern="{network_cmd}" "{runtime.platform.path}/tools/espota.py" -i "{serial.port}" -p "{network.port}" "--auth={network.password}" -f "{build.path}/{build.project_name}.bin"
 
 tools.mkspiffs.cmd=mkspiffs