ncurses: Fix - tty is hung after reset

ncurses: Fix - tty is hung after reset

Serial tty is hung after reset command -
$echo "test " >> /dev/ttyS0
test
$stty -a < /dev/ttyS0
speed 115200 baud; rows 34; columns 153; line = 0;
intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>; eol2 = <undef>; swtch = <undef>;
start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R;
werase = ^W; lnext = ^V; discard = ^O; min = 1; time = 0;
-parenb -parodd -cmspar cs8 hupcl -cstopb cread clocal -crtscts
-ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon ixoff -iuclc -ixany -imaxbel iutf8
opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
isig icanon -iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt echoctl echoke -flusho -extproc
$reset
$echo "test " >> /dev/ttyS0
^C
$stty -a < /dev/ttyS0
^C

Updating reset_tty_settings API with latest code which fixes tty hung issue

Signed-off-by: Soumya Sambu <soumya.sambu@windriver.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>