mtd: sh_flctl: Only copy OOB data if it is required
mtd: sh_flctl: Only copy OOB data if it is required

Check the new oob_required flag and only copy the OOB data to the internal
buffer if needed.

Signed-off-by: Bastian Hecht <e8f82b9dcf9d1f3146ba9c0d1d25df22fc23e46d@gmail.com>
Signed-off-by: Artem Bityutskiy <19b5733dcea388885746d36043d3568bba5b4df7@linux.intel.com>
Signed-off-by: David Woodhouse <b460d66aaf00c296a3db1c1d9eeafc081d5f7d70@intel.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas