arm/dts/aspeed: Move all boards to 115200

Our u-boot now uses 115200, so update all of the chosen nodes to use
this too.

Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-barreleye.dts b/arch/arm/boot/dts/aspeed-bmc-opp-barreleye.dts
index 41ee12a..c3709ce 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-barreleye.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-barreleye.dts
@@ -14,7 +14,7 @@
 
 	chosen {
 		stdout-path = &uart5;
-		bootargs = "console=ttyS4,38400 earlyprintk";
+		bootargs = "console=ttyS4,115200 earlyprintk";
 	};
 
 	memory {
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-firestone.dts b/arch/arm/boot/dts/aspeed-bmc-opp-firestone.dts
index bfac242..fa70382 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-firestone.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-firestone.dts
@@ -12,7 +12,7 @@
 
 	chosen {
 		stdout-path = &uart5;
-		bootargs = "console=ttyS4,38400";
+		bootargs = "console=ttyS4,115200";
 	};
 
 	memory {
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-garrison.dts b/arch/arm/boot/dts/aspeed-bmc-opp-garrison.dts
index 63b039c..12ccfcd 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-garrison.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-garrison.dts
@@ -13,7 +13,7 @@
 
 	chosen {
 		stdout-path = &uart5;
-		bootargs = "console=ttyS4,38400";
+		bootargs = "console=ttyS4,115200";
 	};
 
 	memory {
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
index 1ae3983..9a02a86 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
@@ -14,7 +14,7 @@
 
 	chosen {
 		stdout-path = &uart5;
-		bootargs = "console=ttyS4,38400 earlyprintk";
+		bootargs = "console=ttyS4,115200 earlyprintk";
 	};
 
 	memory {