[libata sata_mv] fix warning
[libata sata_mv] fix warning

shuffle ifdef location to fix the following warning:
drivers/scsi/sata_mv.c:471: warning: 'mv_dump_mem' defined but not used

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