Add required platform definitions for si470x radio device on Samsung
Goni board.
Signed-off-by: NJoonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
[kgene.kim@samsung.com: minor title fixes]
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>