spi/spi_sh_msiof: fix a wrong free_irq() parameter

Without this fix reloading of the driver is impossible.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

drivers/spi/spi_sh_msiof.c

@@ -635,7 +635,7 @@ static int sh_msiof_spi_remove(struct platform_device *pdev)
 	ret = spi_bitbang_stop(&p->bitbang);
 	if (!ret) {
 		pm_runtime_disable(&pdev->dev);
-		free_irq(platform_get_irq(pdev, 0), sh_msiof_spi_irq);
+		free_irq(platform_get_irq(pdev, 0), p);
 		iounmap(p->mapbase);
 		clk_put(p->clk);
 		spi_master_put(p->bitbang.master);