Add myself as maintainer for PowerNV machine, and remove the
reviewer entry

Signed-off-by: Aditya Gupta <adityag@linux.ibm.com>
---
 MAINTAINERS | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 93df53d87f63..67f65bff3913 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1646,7 +1646,8 @@ F: tests/functional/ppc64/test_tuxrun.py
 
 PowerNV (Non-Virtualized)
 M: Nicholas Piggin <npiggin@gmail.com>
-R: Aditya Gupta <adityag@linux.ibm.com>
+M: Aditya Gupta <adityag@linux.ibm.com>
+G: @adi-g15-ibm
 R: Glenn Miles <milesg@linux.ibm.com>
 R: Harsh Prateek Bora <harshpb@linux.ibm.com>
 L: qemu-ppc@nongnu.org
-- 
2.54.0