MAINTAINERS: Add reviewers for ASPEED BMCs

Add ASPEED members "Steven Lee", "Troy Lee" and "Jamin Lin"
to be reviewers of ASPEED BMCs.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
diff --git a/MAINTAINERS b/MAINTAINERS
index 9515562..0f63bcd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1158,6 +1158,9 @@
 ASPEED BMCs
 M: Cédric Le Goater <clg@kaod.org>
 M: Peter Maydell <peter.maydell@linaro.org>
+R: Steven Lee <steven_lee@aspeedtech.com>
+R: Troy Lee <leetroy@gmail.com>
+R: Jamin Lin <jamin_lin@aspeedtech.com>
 R: Andrew Jeffery <andrew@codeconstruct.com.au>
 R: Joel Stanley <joel@jms.id.au>
 L: qemu-arm@nongnu.org