ARM: cpu hotplug: remove majority of cache flushing from platforms

Remove the majority of cache flushing calls from the individual platform
files.  This is now handled by the core code.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

Conflicts:
	arch/arm/mach-highbank/hotplug.c
	arch/arm/mach-imx/hotplug.c
	arch/arm/mach-prima2/hotplug.c
	arch/arm/mach-shmobile/smp-sh73a0.c
	arch/arm/mach-spear13xx/hotplug.c
	arch/arm/mach-tegra/hotplug.c
	arch/arm/mach-ux500/hotplug.c

Change-Id: Ia3dcf8f49f3530a2e4b81497e4682a63e820a085
9 files changed