boundary_savedefconfig.sh: add optional board parameter

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>

boundary_savedefconfig.sh

 #!/bin/bash
-# syntax ./boundary_savedefconfig "commit message"
+# syntax ./boundary_savedefconfig "commit message" [boards]
 #Separate files by board and commit changes after "savedefconfig"
 
 commit_msg=$1;
+if [ -z $2 ] ; then
 	boards=`ls -d board/boundary/* | sed 's.board/boundary/..'`;
+else
+	boards=$2;
+fi
 
 numboards=0;
 numsuccess=0;
@@ -34,6 +38,7 @@ for board in ${boards} ; do
 		git update-index include/configs/${hfile}.h
 		git update-index board/boundary/${board}/*.c
 		git update-index board/boundary/${board}/*
+		git update-index arch/arm/mach-imx/mx6/Kconfig
 		echo "${board}: ${update_cnt} defconfigs updated";
 		numsuccess=`expr $numsuccess + 1`;
 		git c -m"${board}: ${commit_msg}";