MAINTAINERS: Maintainer change for hisi_dma

I am moving on to other things and longfang is going to
take over the role of hisi_dma maintainer. Update the
MAINTAINERS accordingly.

Signed-off-by: Jie Hai <[email protected]>
Acked-by: Zhou Wang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: Jie Hai

MAINTAINERS

@@ -10642,7 +10642,7 @@ F:	net/dsa/tag_hellcreek.c
 
 HISILICON DMA DRIVER
 M:	Zhou Wang <[email protected]>
-M:	Jie Hai <haijie1@huawei.com>
+M:	Longfang Liu <liulongfang@huawei.com>
 L:	[email protected]
 S:	Maintained
 F:	drivers/dma/hisi_dma.c