staging: erofs: formatting add spaces arround '*'

This patch does not change the logic, it only
corrects the formatting and checkpatch check by
adding spaces around '*'.

The patch fixes 1 check of type:
"Check: spaces preferred around that '*'".
Signed-off-by: Pavel Zemlyanoy <zemlyanoy@ispras.ru>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Reviewed-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/erofs/unzip_vle_lz4.c

@@ -181,7 +181,7 @@ int z_erofs_vle_unzip_vmap(struct page **compressed_pages,
 		for (i = 0; i < clusterpages; ++i) {
 			void *t = kmap_atomic(compressed_pages[i]);
 
-			memcpy(vin + PAGE_SIZE *i, t, PAGE_SIZE);
+			memcpy(vin + PAGE_SIZE * i, t, PAGE_SIZE);
 			kunmap_atomic(t);
 		}
 	} else if (clusterpages == 1)