[PATCH] v3: staging: erofs: fix typo

[Gao Xiang]

On 2019/7/18 4:11, Karen Palacio wrote:
> Fix typo in Kconfig
> 
> Signed-off-by: Karen Palacio <karen.palacio.1994 at gmail.com>

Reviewed-by: Gao Xiang <gaoxiang25 at huawei.com>

Thanks,
Gao Xiang