0d45726e0d
The last two RK3399 boards, chromebook bob and kevin, have now migraded to use common bss and stack addresses. Cleanup and remove Kconfig options no longer needed in rk3399/Kconfig when all boards now use common bss and stack addresses. Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>