crypto: axis - Remove unused struct 'dbgfs_u32'

'dbgfs_u32' appears unused.
Remove it.
(pdma_stat_descr is also unused, but I'm assuming it's
some useful layout description of firmware/hardware
so best left in)
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/axis/artpec6_crypto.c

@@ -2811,13 +2811,6 @@ static struct aead_alg aead_algos[] = {
 
 #ifdef CONFIG_DEBUG_FS
 
-struct dbgfs_u32 {
-	char *name;
-	mode_t mode;
-	u32 *flag;
-	char *desc;
-};
-
 static struct dentry *dbgfs_root;
 
 static void artpec6_crypto_init_debugfs(void)