spi-pl022: Add missing return value update

Return error on out of range cpsdvsr value.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c
index 6a9e58d..d18ce9e 100644
--- a/drivers/spi/amba-pl022.c
+++ b/drivers/spi/amba-pl022.c
@@ -1861,6 +1861,7 @@
 	}
 	if ((clk_freq.cpsdvsr < CPSDVR_MIN)
 	    || (clk_freq.cpsdvsr > CPSDVR_MAX)) {
+		status = -EINVAL;
 		dev_err(&spi->dev,
 			"cpsdvsr is configured incorrectly\n");
 		goto err_config_params;