spi: spi-mem: Fix spi_mem_dirmap_destroy() kerneldoc

spi_mem_dirmap_destroy() takes a single argument, remove the @info entry
in the doc.

Fixes: aa167f3f ("spi: spi-mem: Add a new API to support direct mapping")
Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-mem.c

@@ -537,7 +537,6 @@ EXPORT_SYMBOL_GPL(spi_mem_dirmap_create);
 /**
  * spi_mem_dirmap_destroy() - Destroy a direct mapping descriptor
  * @desc: the direct mapping descriptor to destroy
- * @info: direct mapping information
  *
  * This function destroys a direct mapping descriptor previously created by
  * spi_mem_dirmap_create().