crypto: caam/jr - add .shutdown hook

add .shutdown hook in caam_jr driver to support kexec boot
Signed-off-by: Gaurav Jain <gaurav.jain@nxp.com>
Tested-by: Vijay Balakrishna <vijayb@linux.microsoft.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/caam/jr.c

@@ -198,6 +198,11 @@ static int caam_jr_remove(struct platform_device *pdev)
 	return ret;
 }
 
+static void caam_jr_platform_shutdown(struct platform_device *pdev)
+{
+	caam_jr_remove(pdev);
+}
+
 /* Main per-ring interrupt handler */
 static irqreturn_t caam_jr_interrupt(int irq, void *st_dev)
 {
@@ -653,6 +658,7 @@ static struct platform_driver caam_jr_driver = {
 	},
 	.probe       = caam_jr_probe,
 	.remove      = caam_jr_remove,
+	.shutdown    = caam_jr_platform_shutdown,
 };
 
 static int __init jr_driver_init(void)