Tegra186: move smmu driver to tegra/common

This patch moves the smmu driver introduced by the Tegra186 port
to tegra/common so that future chips can (re)use it.

Change-Id: Ia44c7f2a62fb2d8869db3a44742a8c6b13c49036
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

plat/nvidia/tegra/include/t186/tegra_def.h

@@ -249,6 +249,8 @@
  * Tegra scratch registers constants
  ******************************************************************************/
 #define TEGRA_SCRATCH_BASE		0x0C390000
+#define  SECURE_SCRATCH_RSV1_LO		0x658
+#define  SECURE_SCRATCH_RSV1_HI		0x65C
 #define  SECURE_SCRATCH_RSV6		0x680
 #define  SECURE_SCRATCH_RSV11_LO	0x6A8
 #define  SECURE_SCRATCH_RSV11_HI	0x6AC

plat/nvidia/tegra/soc/t186/platform_t186.mk

@@ -66,11 +66,11 @@ PLAT_INCLUDES		+=	-I${SOC_DIR}/drivers/include
 BL31_SOURCES		+=	lib/cpus/aarch64/denver.S		\
 				lib/cpus/aarch64/cortex_a57.S		\
 				${COMMON_DIR}/drivers/memctrl/memctrl_v2.c	\
+				${COMMON_DIR}/drivers/smmu/smmu.c	\
 				${SOC_DIR}/drivers/mce/mce.c		\
 				${SOC_DIR}/drivers/mce/ari.c		\
 				${SOC_DIR}/drivers/mce/nvg.c		\
 				${SOC_DIR}/drivers/mce/aarch64/nvg_helpers.S \
-				${SOC_DIR}/drivers/smmu/smmu.c		\
 				${SOC_DIR}/plat_psci_handlers.c		\
 				${SOC_DIR}/plat_setup.c			\
 				${SOC_DIR}/plat_secondary.c		\