I make a patch and some changes in dropbear.inc for supporting pam.
- Enable pam in configure
- Modify file option.h to open pam supporting
(From OE-Core rev: e8f19e8616fb1b0c2d977fb63eaa64f504fb774b)
Signed-off-by: Xiaofeng Yan <xiaofeng.yan@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>