Add spec for tizen rpm packaging

Add spec for tizen rpm packaging

Add tizen rpm spec.

gdb could be tested by adding --define 'run_tests 1' just like
the rest of toolchain.

Requires dependency to python3, libpython3 and libgmp.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Signed-off-by: Jacek Bukarewicz <j.bukarewicz@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Vyacheslav Barinov <v.barinov@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Hyeongsik Min <hyeongsik.min@samsung.com>
Signed-off-by: Sungguk Na <sungguk.na@samsung.com>
Signed-off-by: Sungguk Na <sungguk.na@samsung.com>
Signed-off-by: Seungha Son <seungha.son@samsung.com>
Signed-off-by: Slava Barinov <v.barinov@samsung.com>
Signed-by-off: wchang kim <wchang.kim@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>