Tegra: memctrl_v2: remove usage of ENABLE_SMMU_DEVICE config

This patch removes the usage of this platform config, as it is always
enabled by all the supported platforms.

Change-Id: Ie7adb641adeb3604b177b6960b797722d60addfa
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
diff --git a/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v2.c b/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v2.c
index 15314e7..a3ef5e1 100644
--- a/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v2.c
+++ b/plat/nvidia/tegra/common/drivers/memctrl/memctrl_v2.c
@@ -51,10 +51,9 @@
 
 	INFO("Tegra Memory Controller (v2)\n");
 
-#if ENABLE_SMMU_DEVICE
 	/* Program the SMMU pagesize */
 	tegra_smmu_init();
-#endif
+
 	/* Get the settings from the platform */
 	assert(plat_mc_settings != NULL);
 	mc_streamid_override_regs = plat_mc_settings->streamid_override_cfg;