FVP: Avail GIC Redistributor power management
FVP: Avail GIC Redistributor power management

Earlier patches introduced GIC Redistributor power management for ARM
platforms. This patch modifies FVP power management to power down
Redistributor during CPU power on/off.

Change-Id: I2adb9c50a7dd750019fe3b4e576b5d5fc364bffb
Signed-off-by: Jeenu Viswambharan <5b289de972918ffd274229d00560f010009baf9e@arm.com>

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