ep93xx: Move EP93XX_SYSCON defines to SoC private header

The EP93XX_SYSCON defines are now no longer needed outside of the
EP93xx SoC core code, so they can be moved to a private header.

Signed-off-by: Ryan Mallon <rmallon@gmail.com>
Reviewed-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Hartley Sweeten <hsweeten@visionengravers.com>
diff --git a/arch/arm/mach-ep93xx/crunch.c b/arch/arm/mach-ep93xx/crunch.c
index 25ef223..d05ed0b 100644
--- a/arch/arm/mach-ep93xx/crunch.c
+++ b/arch/arm/mach-ep93xx/crunch.c
@@ -19,6 +19,8 @@
 #include <mach/ep93xx-regs.h>
 #include <asm/thread_notify.h>
 
+#include "soc.h"
+
 struct crunch_state *crunch_owner;
 
 void crunch_task_release(struct thread_info *thread)