Tegra: remove circular dependency with common_def.h

This patch stops including common_def.h from platform_def.h to
fix a circular depoendency between them.

This means platform_def.h now has to define the linker macros:
* PLATFORM_LINKER_FORMAT
* PLATFORM_LINKER_ARCH

Change-Id: Icd540b1bd32fb37e0e455e9146c8b7f4b314e012
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

plat/nvidia/tegra/include/platform_def.h

@@ -9,10 +9,15 @@
 
 #include <arch.h>
 #include <lib/utils_def.h>
-#include <plat/common/common_def.h>
 
 #include <tegra_def.h>
 
+/*
+ * Platform binary types for linking
+ */
+#define PLATFORM_LINKER_FORMAT		"elf64-littleaarch64"
+#define PLATFORM_LINKER_ARCH		aarch64
+
 /*******************************************************************************
  * Generic platform constants
  ******************************************************************************/