[OE-core] [PATCH 2/2] wic: rm with -r flag support

[Richard Purdie]

On Fri, 2019-11-15 at 09:58 +0800, chee.yang.lee at intel.com wrote:
> From: Chee Yang Lee <chee.yang.lee at intel.com>
> 
> wic currently unable to remove non-empty directory in ext* partition.
> enable wic rm to remove non-empty directory and all the sub-content
> with -r flag.
> update help documents for 'wic rm'.
> [YOCTO #12404]

This kind of new functionality means we need new tests. Could you
resend this with new tests for the new functionality being added
please?

Cheers,

Richard