Rename aes.h to uboot_aes.h

aes.h is a too generic name if this file can
be exported and used by a program.
Rename it to avoid any conflicts with
other files (for example, from openSSL).

Signed-off-by: Stefano Babic <sbabic@denx.de>
diff --git a/arch/arm/mach-tegra/tegra20/crypto.c b/arch/arm/mach-tegra/tegra20/crypto.c
index 1b82fbb..eae7921 100644
--- a/arch/arm/mach-tegra/tegra20/crypto.c
+++ b/arch/arm/mach-tegra/tegra20/crypto.c
@@ -8,7 +8,7 @@
 #include <common.h>
 #include <linux/errno.h>
 #include "crypto.h"
-#include "aes.h"
+#include "uboot_aes.h"
 
 static u8 zero_key[16];