[ARM] smp: SCU is used on non-realview platforms

The SCU can be used by non-realview platforms, so make it visible
for other people to use rather than having them copy the header file.

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

arch/arm/include/asm/smp_scu.h

@@ -0,0 +1,13 @@
+#ifndef __ASMARM_ARCH_SCU_H
+#define __ASMARM_ARCH_SCU_H
+
+/*
+ * SCU registers
+ */
+#define SCU_CTRL		0x00
+#define SCU_CONFIG		0x04
+#define SCU_CPU_STATUS		0x08
+#define SCU_INVALIDATE		0x0c
+#define SCU_FPGA_REVISION	0x10
+
+#endif