sgi575_system: remove access to CPU_PPU_INT_STATUS[7..4] registers
Created by: thomas-arm
SGI-575 platform does not instantiate CPU_PPU_INT_STATUS[7..4] registers. So remove access to these registers.
Change-Id: I5405bb378f6789bcc1e8470cabbee82c6daa4314 Signed-off-by: Thomas Abraham thomas.abraham@arm.com