configs/pine64: use mainline ATF

update ATF analog to pine64_sopine config.

Fixes:
 https://gitlab.com/buildroot.org/buildroot/-/jobs/3234499154

Signed-off-by: Michael Nosthoff <buildroot@heine.tech>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

configs/pine64_defconfig

@@ -7,10 +7,9 @@ BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_0=y
 
 # Firmware
 BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
-BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_GIT=y
-BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_URL="https://github.com/apritzel/arm-trusted-firmware.git"
-BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="sun50iw1p1"
-BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_VERSION="aa75c8da415158a94b82a430b2b40000778e851f"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION=y
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION_VALUE="v2.7"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="sun50i_a64"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31=y
 
 # Bootloader