ARM: at91: prepare common clk transition for rm9200

Enclose the rm9200 old clk registration in "#if defined(CONFIG_OLD_CLK_AT91)
 #endif"

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/mach-at91/at91rm9200.c

@@ -26,10 +26,11 @@
 #include "at91_aic.h"
 #include "soc.h"
 #include "generic.h"
-#include "clock.h"
 #include "sam9_smc.h"
 #include "pm.h"
 
+#if defined(CONFIG_OLD_CLK_AT91)
+#include "clock.h"
 /* --------------------------------------------------------------------
  *  Clocks
  * -------------------------------------------------------------------- */
@@ -277,6 +278,9 @@ static void __init at91rm9200_register_clocks(void)
 	clk_register(&pck2);
 	clk_register(&pck3);
 }
+#else
+#define at91rm9200_register_clocks NULL
+#endif
 
 /* --------------------------------------------------------------------
  *  GPIO