kernel/prism: disable dying gasp on MPP20

Change-Id: I9f9b13d32453e78bc033d89dd851551f982ecbea
diff --git a/arch/arm/mach-feroceon-kw2/kw2_family/boardEnv/mvBoardEnvSpec.h b/arch/arm/mach-feroceon-kw2/kw2_family/boardEnv/mvBoardEnvSpec.h
index 8d6b1fd..8e9c82b 100755
--- a/arch/arm/mach-feroceon-kw2/kw2_family/boardEnv/mvBoardEnvSpec.h
+++ b/arch/arm/mach-feroceon-kw2/kw2_family/boardEnv/mvBoardEnvSpec.h
@@ -625,7 +625,7 @@
 
 #define GFLT300_MPP0_7		0x22222220
 #define GFLT300_MPP8_15		0x05000002
-#define GFLT300_MPP16_23	0x00420000
+#define GFLT300_MPP16_23	0x00400000
 #define GFLT300_MPP24_31	0x44204544
 #define GFLT300_MPP32_37	0x00000024