ncureses: 6.0+20171125 -> 6.1

ncureses: 6.0+20171125 -> 6.1

1. Rebase 0001, 0002

2. Fix [already-stripped] QA Issue
Since the following commit add, it strip executables which
are installed by default.
...
commit 087eaf92c621098927f3f98e3652411de48f8b6b
Author: Sven Joachim <svenjoac@gmx.de>
Date:   Sun Jan 21 08:01:41 2018 +0100

    Import upstream patch 20180120

    20180120
        + build-fix in picsmap.c for stdint.h existence.
        + add --disable-stripping option to configure scripts.
...

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>