UBI: fix minor stylistic issues

Fix checkpatch.pl errors and warnings:

* space before tab
* line over 80 characters
* include linux/ioctl.h instead of asm/ioctl.h

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c
index d4d07e5..0cd5bea 100644
--- a/drivers/mtd/ubi/debug.c
+++ b/drivers/mtd/ubi/debug.c
@@ -75,15 +75,15 @@
 {
 	printk(KERN_DEBUG "Volume identifier header dump:\n");
 	printk(KERN_DEBUG "\tmagic     %08x\n", be32_to_cpu(vid_hdr->magic));
-	printk(KERN_DEBUG "\tversion   %d\n",   (int)vid_hdr->version);
-	printk(KERN_DEBUG "\tvol_type  %d\n",   (int)vid_hdr->vol_type);
-	printk(KERN_DEBUG "\tcopy_flag %d\n",   (int)vid_hdr->copy_flag);
-	printk(KERN_DEBUG "\tcompat    %d\n",   (int)vid_hdr->compat);
-	printk(KERN_DEBUG "\tvol_id    %d\n",   be32_to_cpu(vid_hdr->vol_id));
-	printk(KERN_DEBUG "\tlnum      %d\n",   be32_to_cpu(vid_hdr->lnum));
-	printk(KERN_DEBUG "\tdata_size %d\n",   be32_to_cpu(vid_hdr->data_size));
-	printk(KERN_DEBUG "\tused_ebs  %d\n",   be32_to_cpu(vid_hdr->used_ebs));
-	printk(KERN_DEBUG "\tdata_pad  %d\n",   be32_to_cpu(vid_hdr->data_pad));
+	printk(KERN_DEBUG "\tversion   %d\n",  (int)vid_hdr->version);
+	printk(KERN_DEBUG "\tvol_type  %d\n",  (int)vid_hdr->vol_type);
+	printk(KERN_DEBUG "\tcopy_flag %d\n",  (int)vid_hdr->copy_flag);
+	printk(KERN_DEBUG "\tcompat    %d\n",  (int)vid_hdr->compat);
+	printk(KERN_DEBUG "\tvol_id    %d\n",  be32_to_cpu(vid_hdr->vol_id));
+	printk(KERN_DEBUG "\tlnum      %d\n",  be32_to_cpu(vid_hdr->lnum));
+	printk(KERN_DEBUG "\tdata_size %d\n",  be32_to_cpu(vid_hdr->data_size));
+	printk(KERN_DEBUG "\tused_ebs  %d\n",  be32_to_cpu(vid_hdr->used_ebs));
+	printk(KERN_DEBUG "\tdata_pad  %d\n",  be32_to_cpu(vid_hdr->data_pad));
 	printk(KERN_DEBUG "\tsqnum     %llu\n",
 		(unsigned long long)be64_to_cpu(vid_hdr->sqnum));
 	printk(KERN_DEBUG "\thdr_crc   %08x\n", be32_to_cpu(vid_hdr->hdr_crc));