Fix checkpatch errors:
  ERROR: code indent should use tabs where possible
  #624: FILE: spi-mem.c:624:
  ERROR: code indent should use tabs where possible
  #626: FILE: spi-mem.c:626:
  ERROR: code indent should use tabs where possible
  #627: FILE: spi-mem.c:627:
Signed-off-by: Jay Fang <f.fangjian@huawei.com>
Link: https://lore.kernel.org/r/1616566602-13894-10-git-send-email-f.fangjian@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
 
 static int devm_spi_mem_dirmap_match(struct device *dev, void *res, void *data)
 {
-        struct spi_mem_dirmap_desc **ptr = res;
+       struct spi_mem_dirmap_desc **ptr = res;
 
-        if (WARN_ON(!ptr || !*ptr))
-                return 0;
+       if (WARN_ON(!ptr || !*ptr))
+               return 0;
 
        return *ptr == data;
 }