[gcc r11-4962] MAINTAINERS: add myself for write after approval

[HaoChen Gui]

https://gcc.gnu.org/g:4109adf2565626ce73b1a7c15e3e686dae69ab95

commit r11-4962-g4109adf2565626ce73b1a7c15e3e686dae69ab95
Author: Haochen Gui <guihaoc@gcc.gnu.org>
Date:   Fri Nov 13 11:01:12 2020 +0800

    MAINTAINERS: add myself for write after approval
    
    ChangeLog:
    
    2020-11-13  Haochen Gui  <guihaoc@gcc.gnu.org>
    
            * MAINTAINERS (Write After Approval): add myself

Diff:
---
 MAINTAINERS | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index a0216185de9..be42e1441ca 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -409,6 +409,7 @@ Matthew Gretton-Dann				<matthew.gretton-dann@arm.com>
 Yury Gribov					<tetra2005@gmail.com>
 Jon Grimm					<jgrimm2@us.ibm.com>
 Laurent Guerby					<laurent@guerby.net>
+Haochen Gui					<guihaoc@gcc.gnu.org>
 Jiufu Guo					<guojiufu@linux.ibm.com>
 Xuepeng Guo					<terry.xpguo@gmail.com>
 Wei Guozhi					<carrot@google.com>