MAINTAINERS: update responsible for MPC85xx/86xx

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Becky Bruce <beckyb@kernel.crashing.org>

MAINTAINERS

@@ -277,7 +277,7 @@ Nye Liu <nyet@zumanetworks.com>
 
 	ZUMA		MPC7xx_74xx
 
-Jon Loeliger <jdl@freescale.com>
+Kumar Gala <kumar.gala@freescale.com>
 
 	MPC8540ADS	MPC8540
 	MPC8560ADS	MPC8560