dma: mv_xor: change the driver name to 'mv_xor'

Since we got rid of the per-XOR channel 'mv_xor' driver, now the
per-XOR engine driver that used to be called 'mv_xor_shared' can
simply be named 'mv_xor'.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index ac59816..0ed5183 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -1361,7 +1361,7 @@
 	.remove		= mv_xor_shared_remove,
 	.driver		= {
 		.owner	= THIS_MODULE,
-		.name	= MV_XOR_SHARED_NAME,
+		.name	= MV_XOR_NAME,
 	},
 };