[MTD][NAND] au1550nd: remove unused variable
[MTD][NAND] au1550nd: remove unused variable

Remove unused variable from au1550 NAND driver.

Signed-off-by: Yoichi Yuasa <8cae077b43cb3823d7d0411bb74fef2b3d450859@tripeaks.co.jp>
Signed-off-by: David Woodhouse <b460d66aaf00c296a3db1c1d9eeafc081d5f7d70@intel.com>

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