Move trusted firmware repo to new location

Transition to the new trusted firmware repo location at
http://git.trustedfirmware.org.

NOTE: The 'arm-trusted-firmware' instances under zynqmp* have not
been changed.

Signed-off-by: Victor Chong <victor.chong@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Joakim Bech <joakim.bech@linaro.org>
diff --git a/rpi3.mk b/rpi3.mk
index b586403..70b14df 100644
--- a/rpi3.mk
+++ b/rpi3.mk
@@ -17,7 +17,7 @@
 ################################################################################
 # Paths to git projects and various binaries
 ################################################################################
-TF_A_PATH		?= $(ROOT)/arm-trusted-firmware
+TF_A_PATH		?= $(ROOT)/trusted-firmware-a
 TF_A_OUT		?= $(TF_A_PATH)/build/rpi3/debug
 TF_A_BOOT		?= $(TF_A_OUT)/armstub8.bin