ARM: spear: move generic.h and pl080.h into private dir

No file outside of mach-spear includes these files any more,
so they don't have to be globally visible now.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
diff --git a/arch/arm/mach-spear/time.c b/arch/arm/mach-spear/time.c
index bd5c53c..d449673 100644
--- a/arch/arm/mach-spear/time.c
+++ b/arch/arm/mach-spear/time.c
@@ -23,7 +23,7 @@
 #include <linux/time.h>
 #include <linux/irq.h>
 #include <asm/mach/time.h>
-#include <mach/generic.h>
+#include "generic.h"
 
 /*
  * We would use TIMER0 and TIMER1 as clockevent and clocksource.