EFM32: Tweaks to get EFM32GG-STK3700 running NSH over LEUART0
Update ChangeLog
Emit a warning if number of arguments to builtin or file app can be truncated
Update document and README
Remove CONFIG_MAX_TASK_ARGS from all Kconfigs and defconfigs
Binfmt no longer depends on a fixed sized argv[] list
Oops.. part of the last change will still in the editor
execl() no longer depends on CONFIG_MAX_TASK_ARGS
task_setup() no longer depends on CONFIG_MAX_TASK_ARGS
task_start() no longer depends on CONFIG_MAX_TASK_ARGS
vfork no longer depends on CONFIG_MAX_TASK_ARGS
Merge remote-tracking branch 'origin/master' into maxargs
Remove use of CONFIG_MAX_TASK_ARGS from examples/thttpd
Remove use of CONFIG_MASK_TASK_ARGS from NSH
Remove use of CONFIG_MASK_TASK_ARGS from the I2C tool
execl():  Don't allocate or free and argv[] list if there are not arguments
task_create:  Don't even try if the accumulated size of the argument list is larger than the stack
Fix some compile errors introduce in last commits
Update configuration
Refresh configuration