MAINTAINERS: Add maintainers for power8 architecture

Change-Id: I0eedda5f31c2809db7871b81ceb3045b782f9df1
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/14126
Tested-by: build bot (Jenkins)
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index f1dc441..19424ed 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -126,6 +126,14 @@
 F:	src/soc/ucb/
 F:	src/mainboard/emulation/qemu-riscv/
 
+POWER8 ARCHITECTURE
+M:	Ronald Minnich <rminnich@gmail.com>
+M:	Timothy Pearson <tpearson@raptorengineeringinc.com>
+S:	Maintained
+F:	src/arch/power8/
+F:	src/cpu/qemu-power8/
+F:	src/mainboard/emulation/qemu-power8/
+
 LENOVO EC
 M:	Alexander Couzens <lynxis@fe80.eu>
 S:	Maintained