[ARM] pxa: move platform devices to separate header file

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index a496e49..296539b 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -43,6 +43,7 @@
 #include <asm/arch/irda.h>
 #include <asm/arch/i2c.h>
 
+#include "devices.h"
 #include "generic.h"
 
 /*