Tegra210: rename ENABLE_WDT_LEGACY_FIQ_HANDLING macro

This patch renames 'ENABLE_WDT_LEGACY_FIQ_HANDLING' macro to
'ENABLE_TEGRA_WDT_LEGACY_FIQ_HANDLING', to indicate that this
is a Tegra feature.

Change-Id: I5c4431e662223ee80efbfd5ec2513f8b1cadfc50
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
diff --git a/plat/nvidia/tegra/platform.mk b/plat/nvidia/tegra/platform.mk
index 14b9913..8758820 100644
--- a/plat/nvidia/tegra/platform.mk
+++ b/plat/nvidia/tegra/platform.mk
@@ -40,7 +40,7 @@
 
 # Flag to enable WDT FIQ interrupt handling for Tegra SoCs
 # prior to Tegra186
-ENABLE_WDT_LEGACY_FIQ_HANDLING	?= 0
+ENABLE_TEGRA_WDT_LEGACY_FIQ_HANDLING	?= 0
 
 # Flag to allow relocation of BL32 image to TZDRAM during boot
 RELOCATE_BL32_IMAGE		?= 0
@@ -48,7 +48,7 @@
 include plat/nvidia/tegra/common/tegra_common.mk
 include ${SOC_DIR}/platform_${TARGET_SOC}.mk
 
-$(eval $(call add_define,ENABLE_WDT_LEGACY_FIQ_HANDLING))
+$(eval $(call add_define,ENABLE_TEGRA_WDT_LEGACY_FIQ_HANDLING))
 $(eval $(call add_define,RELOCATE_BL32_IMAGE))
 
 # modify BUILD_PLAT to point to SoC specific build directory
diff --git a/plat/nvidia/tegra/soc/t210/platform_t210.mk b/plat/nvidia/tegra/soc/t210/platform_t210.mk
index ba827a0..a5662be 100644
--- a/plat/nvidia/tegra/soc/t210/platform_t210.mk
+++ b/plat/nvidia/tegra/soc/t210/platform_t210.mk
@@ -23,8 +23,7 @@
 MAX_MMAP_REGIONS			:= 16
 $(eval $(call add_define,MAX_MMAP_REGIONS))
 
-ENABLE_WDT_LEGACY_FIQ_HANDLING		:= 1
-$(eval $(call add_define,ENABLE_WDT_LEGACY_FIQ_HANDLING))
+ENABLE_TEGRA_WDT_LEGACY_FIQ_HANDLING	:= 1
 
 PLAT_INCLUDES		+=	-I${SOC_DIR}/drivers/se