[PATCH] MAINTAINERS: update RISC-V maintainers

[Tim Ouyang]

Rick and Leo are no longer with Andes. Remove Rick from the RISC-V
maintainer list. Leo will continue maintaining RISC-V, but update his
email address. Add myself to the maintainer list as Rick's replacement.

Signed-off-by: Tim Ouyang <tim609 at andestech.com>
---
 MAINTAINERS | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 571af196465..af15800ecf3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1641,8 +1641,8 @@ T:	git https://source.denx.de/u-boot/custodians/u-boot-nand-flash.git
 F:	drivers/mtd/nand/raw/
 
 RISC-V
-M:	Rick Chen <rick at andestech.com>
-M:	Leo <ycliang at andestech.com>
+M:	Leo Liang <ycliang840519 at gmail.com>
+M:	Tim Ouyang <tim609 at andestech.com>
 S:	Maintained
 T:	git https://source.denx.de/u-boot/custodians/u-boot-riscv.git
 F:	arch/riscv/
-- 
2.43.0