board-info: Output errors to stdout like make lint-stable expects

Change-Id: I7eb2283808cde86c79d6b770a176daee57a7f9f2
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6696
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
diff --git a/util/lint/lint-stable-005-board-status b/util/lint/lint-stable-005-board-status
index 2ef2e3b..ce222e9 100755
--- a/util/lint/lint-stable-005-board-status
+++ b/util/lint/lint-stable-005-board-status
@@ -23,7 +23,7 @@
 for mobodir in $(git diff --name-status |grep -v "^D" |cut -c3- | sed -n 's,^\(src/mainboard/[^/]*/[^/]*\).*$,\1,p'|sort|uniq); do
     board_info="$mobodir/board_info.txt"
     if ! [ -f "$board_info" ]; then
-       echo "No $board_info found" >&2
+       echo "No $board_info found"
        exit 1
     fi
     category="$(sed -n 's#^Category: \(.*\)$#\1#p' < "$board_info")"
@@ -31,11 +31,11 @@
 	desktop|server|laptop|half|mini|settop|"eval"|sbc|emulation|misc)
 	    ;;
 	"")
-	    echo "$board_info doesn't contain 'Category' tag" >&2
+	    echo "$board_info doesn't contain 'Category' tag"
 	    exit 1
 	    ;;
 	*)
-	    echo "$board_info specifies unknown category '$category'" >&2
+	    echo "$board_info specifies unknown category '$category'"
 	    exit 1
 	    ;;
     esac