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/spear310.c b/arch/arm/mach-spear/spear310.c
index 0b7962d..6ffbc63 100644
--- a/arch/arm/mach-spear/spear310.c
+++ b/arch/arm/mach-spear/spear310.c
@@ -18,7 +18,7 @@
 #include <linux/irqchip.h>
 #include <linux/of_platform.h>
 #include <asm/mach/arch.h>
-#include <mach/generic.h>
+#include "generic.h"
 #include <mach/spear.h>
 
 #define SPEAR310_UART1_BASE		UL(0xB2000000)