[gcc r17-3047] Add Michael Meissner as PowerPC maintainer.

https://gcc.gnu.org/g:232280c7a04571ef4b09d72d0b9456cbe62abf6f

commit r17-3047-g232280c7a04571ef4b09d72d0b9456cbe62abf6f
Author: Michael Meissner <[email protected]>
Date:   Thu Aug 6 21:58:04 2026 -0400

    Add Michael Meissner as PowerPC maintainer.
    
    ChangeLog:
    
            * MAINTAINERS: Update Michael Meissner to be a PowerPC maintainer.
            Update to use [email protected] email address instead of
            [email protected].  Drop Michael Meissner being a scheduler maintainer.
            * MAINTAINERS.yml: Update.

Diff:
---
 MAINTAINERS     | 3 ++-
 MAINTAINERS.yml | 4 +---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 02e7c376af7e..b08d74244699 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -38,7 +38,7 @@ Richard Earnshaw                                <[email protected]>
 Jakub Jelinek                                   <[email protected]>
 Richard Kenner                                  <[email protected]>
 Jeff Law                                        <[email protected]>
-Michael Meissner                                <[email protected]>
+Michael Meissner                                <[email protected]>
 Jason Merrill                                   <[email protected]>
 David S. Miller                                 <[email protected]>
 Joseph Myers                                    <[email protected]>
@@ -118,6 +118,7 @@ rs6000 vector extns     Aldy Hernandez          <[email protected]>
 rs6000/powerpc port     Segher Boessenkool      <[email protected]>
 rs6000/powerpc port     David Edelsohn          <[email protected]>
 rs6000/powerpc port     Kewen Lin               <[email protected]>
+rs6000/powerpc port     Michael Meissner        <[email protected]>
 rx port                 Nick Clifton            <[email protected]>
 s390 port               Andreas Krebbel         <[email protected]>
 s390 port               Stefan Schulze Frielinghaus <[email protected]>
diff --git a/MAINTAINERS.yml b/MAINTAINERS.yml
index 6e621de74a12..25620bf276a8 100644
--- a/MAINTAINERS.yml
+++ b/MAINTAINERS.yml
@@ -3313,12 +3313,10 @@ users:
 - sn: Meissner
   cn: Michael Meissner
   email:
-  - [email protected]
   - [email protected]
   roles:
   - Global
-  - Maintainer: scheduler (+ haifa)
-  - WriteAfter
+  - Maintainer: rs6000/powerpc port
   account: meissner
   inactive: true
 - sn: Melcr