ARM: make split_by_variant.sh output more useful

The board/armltd/integrator/split_by_variant.sh script used to print
"Configuring for integrator*p board..." no matter which board name
was being compiled. This made it difficult to match MAKEALL output to
board names. This patch fixes this.

Signed-off-by: Wolfgang Denk <wd@denx.de>

board/armltd/integrator/split_by_variant.sh

@@ -231,5 +231,5 @@ fi # ap
 # ---------------------------------------------------------
 # Complete the configuration
 # ---------------------------------------------------------
-$MKCONFIG -a integrator$1 arm $cpu integrator armltd;
-echo "Variant:: $variant with core $cpu"
+$MKCONFIG -a -n "${2%%_config}" integrator$1 arm $cpu integrator armltd
+echo "Variant: $variant with core $cpu"