openssh: Fix syntax error in openssh-server.postinst
openssh: Fix syntax error in openssh-server.postinst

Syntax error "^UsePAM" make sshd cannot run. Error:
    /etc/ssh/sshd_config: line 88: Bad configuration option: ^UsePAM
    /etc/ssh/sshd_config: terminating, 1 bad configuration options

Signed-off-by: Trung Do <64081e6b7eb2b24289b8a4e51cef9836ddf28af2@toshiba-tsdv.com>

tienlee/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,nghiaht-tsdv/meta-debian,nghiaht-tsdv/meta-debian,tienlee/meta-debian,tienlee/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,nghiaht-tsdv/meta-debian,meta-debian/meta-debian,tienlee/meta-debian,meta-debian/meta-debian,nghiaht-tsdv/meta-debian,tienlee/meta-debian,nghiaht-tsdv/meta-debian,tienlee/meta-debian,nghiaht-tsdv/meta-debian