Integrate u-boot-seco-rk/ap/c31-bootdelay-0
Commit: edgehog/bsp/rockchip/u-boot-seco-rk@0fbd9c47
[C31][DEFCONFIG] set bootdelay=0
Set bootdelay=0 in the defconfig for C31
Commit: edgehog/bsp/rockchip/u-boot-seco-rk@0fbd9c47
[C31][DEFCONFIG] set bootdelay=0
Set bootdelay=0 in the defconfig for C31