feat(tc): setup ni-tower non-secure access for TC3

NI-Tower's component's registers are need to be accessed from
kernel NI-PMU driver so enable NS access to it.

Change-Id: I83a8b3a1d2778baf767ff93263e246d127ef8114
Signed-off-by: Jagdish Gediya <jagdish.gediya@arm.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>
diff --git a/plat/arm/board/tc/tc_bl31_setup.c b/plat/arm/board/tc/tc_bl31_setup.c
index 7d1bc9c..53404df 100644
--- a/plat/arm/board/tc/tc_bl31_setup.c
+++ b/plat/arm/board/tc/tc_bl31_setup.c
@@ -110,6 +110,7 @@
 #if TARGET_PLATFORM == 3
 	enable_ns_mcn_pmu();
 	set_mcn_slc_alloc_mode();
+	plat_arm_ni_setup(NCI_BASE_ADDR);
 #endif
 }