hikey: bl31: enable CCI port for cluster 0
hikey: bl31: enable CCI port for cluster 0

The cluster 0 doesn't rely on PSCI to enable it; so enable CCI port
for cluster 0 in BL31 platform setup flow.

Signed-off-by: Leo Yan <a38ad1fbd0b3373e0c012f4d28e16dbce652d487@linaro.org>
Signed-off-by: Haojian Zhuang <979139d45d262f0480136b0da512e0afa0fe79d3@linaro.org>

achingupta/arm-trusted-firmware,lsigithub/arm-trusted-firmware_public,lsigithub/arm-trusted-firmware_public,achingupta/arm-trusted-firmware