heimdal: Fix dependency and solve the conflict with krb5
heimdal: Fix dependency and solve the conflict with krb5

- Fix dependency: heimdal depends on libxt only x11 feature is enabled in DISTRO_FEATURES
- Solving the conflict with krb5:
  | Remove all conflict files between heimdal-dev and krb5-dev.
  | Solve paths to headers and libraries in do_configure() for these packages depends on heimdal-dev

Signed-off-by: Nguyen Van Hieu <95b6c63292b73e14e1eaecc80ea875350fcf3ae9@toshiba-tsdv.com>
Signed-off-by: Masahiro Yamada <76d6c03d331b29d77eaac66c3113243c4dd22703@toshiba.co.jp>

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