riscv: add build_combination.in [1/1]

PD#SWPL-79626

Problem:
add build_combination.in

Solution:
add build_combination.in

Verify:
N/A

Change-Id: I5fd2b027fa013ac38b4d9ae05a9ceb378755fa30
Signed-off-by: Kelvin Zhang <kelvin.zhang@amlogic.com>
1 file changed