machine: arria10: add options for mkfs.jffs2
machine: arria10: add options for mkfs.jffs2

Added "-n" to avoid adding cleanmarker to every eraseblock.
Added "-q" to squash permissions and owners making all files
to be owned by root user.

Signed-off-by: Chang Rebecca Swee Fun <88a153230f63157278771f6cd28877966cb40c57@intel.com>

kraj/meta-altera,kraj/meta-altera,kraj/meta-altera