Correct shellcheck rule SC2012: Use find instead of ls to better handle non-alphanumeric filenames Change-Id: Ibfc54ac06ae4cecadd22954159d259295f99912f Signed-off-by: Maciej Wawryk <maciejx.wawryk@intel.com> Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/475712 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>