Tegra: enable 'WARMBOOT_ENABLE_DCACHE_EARLY' flag

This patch enables the 'WARMBOOT_ENABLE_DCACHE_EARLY' flag to enable
D-cache early, during the CPU warmboot sequence. This flag is applicable
for platforms like Tegra, which do not require interconnect programming to
enable cache coherency.

Change-Id: Id39471cf0922799960d8f1de6e5e0d605a53f7ca
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

plat/nvidia/tegra/platform.mk

@@ -31,6 +31,9 @@ USE_COHERENT_MEM	:=	0
 # do not enable SVE
 ENABLE_SVE_FOR_NS	:=	0
 
+# enable D-cache early during CPU warmboot
+WARMBOOT_ENABLE_DCACHE_EARLY := 1
+
 include plat/nvidia/tegra/common/tegra_common.mk
 include ${SOC_DIR}/platform_${TARGET_SOC}.mk