tegra: Move ap20.h header into arch location

We want to include this from board code, so move the header into
an easily-accessible location.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/arch/arm/cpu/armv7/tegra2/ap20.c b/arch/arm/cpu/armv7/tegra2/ap20.c
index b749821..a6dd3e4 100644
--- a/arch/arm/cpu/armv7/tegra2/ap20.c
+++ b/arch/arm/cpu/armv7/tegra2/ap20.c
@@ -21,9 +21,9 @@
 * MA 02111-1307 USA
 */
 
-#include "ap20.h"
 #include <asm/io.h>
 #include <asm/arch/tegra2.h>
+#include <asm/arch/ap20.h>
 #include <asm/arch/clk_rst.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/pmc.h>
diff --git a/arch/arm/cpu/armv7/tegra2/board.c b/arch/arm/cpu/armv7/tegra2/board.c
index a797e6f..a50b1b9 100644
--- a/arch/arm/cpu/armv7/tegra2/board.c
+++ b/arch/arm/cpu/armv7/tegra2/board.c
@@ -23,12 +23,12 @@
 
 #include <common.h>
 #include <asm/io.h>
-#include "ap20.h"
+#include <asm/arch/ap20.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/funcmux.h>
+#include <asm/arch/pmc.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/tegra2.h>
-#include <asm/arch/pmc.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
diff --git a/arch/arm/cpu/armv7/tegra2/ap20.h b/arch/arm/include/asm/arch-tegra2/ap20.h
similarity index 100%
rename from arch/arm/cpu/armv7/tegra2/ap20.h
rename to arch/arm/include/asm/arch-tegra2/ap20.h