Tegra194: console driver compilation from platform makefiles

This patch includes the console driver from individual platform
makefile, to allow future platforms to include consoles of their
choice.

Change-Id: I4c92199717da410c8b5e8d45af67f4345f743dbd
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

plat/nvidia/tegra/soc/t194/platform_t194.mk

@@ -42,7 +42,8 @@ $(eval $(call add_define,MAX_MMAP_REGIONS))
 # platform files
 PLAT_INCLUDES		+=	-I${SOC_DIR}/drivers/include
 
-BL31_SOURCES		+=	lib/cpus/aarch64/denver.S		\
+BL31_SOURCES		+=	drivers/ti/uart/aarch64/16550_console.S	\
+				lib/cpus/aarch64/denver.S		\
 				${COMMON_DIR}/drivers/memctrl/memctrl_v2.c	\
 				${COMMON_DIR}/drivers/smmu/smmu.c	\
 				${SOC_DIR}/drivers/mce/mce.c		\