ARM: realview: use new init_early for clock tree and sched_clock init

Initialize the clock tree and our sched_clock() early.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h
index 693239d..27c9273 100644
--- a/arch/arm/mach-realview/core.h
+++ b/arch/arm/mach-realview/core.h
@@ -63,6 +63,7 @@
 extern int realview_flash_register(struct resource *res, u32 num);
 extern int realview_eth_register(const char *name, struct resource *res);
 extern int realview_usb_register(struct resource *res);
+extern void realview_init_early(void);
 extern void realview_fixup(struct machine_desc *mdesc, struct tag *tags,
 			   char **from, struct meminfo *meminfo);
 extern void (*realview_reset)(char);