backport the patch from busybox upstream to fix the
auto insert newline issue.
busybox defect:
https://bugs.busybox.net/show_bug.cgi?id=6584
(From OE-Core master rev: db00fa405c025c61844df2e9589fe635fc5df0e2)
(From OE-Core rev: 9266343cc00fefd3e7f33fa2e6b0da88b6abf622)
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>