fix repo init for branch

README.md

@@ -6,15 +6,19 @@ This script is intented to deploy for daily build chromium OS
 - copy common utility to {chromium}/src/scrips directory 
 
 # usage 
+
+## chromium repo branch support
+- main
+- firmware-volteer-13672.B
 ## setup config.txt file
 ```
 user_password=default
 working_dir=default
 repo_branch=default
-build_packages=true
-build_firmware=true
-build_image=true
-install_image=true
+is_build_packages=true
+is_build_firmware=true
+is_build_image=true
+is_install_image=true
 dut_ip_addr=192.168.1.x
 ```
 ## execute command line
@@ -23,9 +27,6 @@ dut_ip_addr=192.168.1.x
 $ ./main_cros_reposync_build.sh
 ```
 
-# chromium repo branch support
-- main
-- firmware-volteer-13672.B
 
 # todo 
 1. add branch support - done