Update flash instructions in README file

Bug 1440422

Change-Id: Ice01ff29dbb4eb0558cc07b276b2464b8c8dcc40
Reviewed-on: http://git-master/r/439694
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Subodh Karmarkar <subodhk@nvidia.com>
Tested-by: Subodh Karmarkar <subodhk@nvidia.com>
1 file changed
tree: de8ade2f64d9d4598f9b9db9a3b0e8578c63d160
  1. tlk/
  2. README