configs/zynqmp_kria_kv260_defconfig: build atf with uart1 console

This patch fixes an ATF issue by building the ATF for uart1 instead
of uart0 for the Kria KV260 Starter Kit.

Signed-off-by: Neal Frager <neal.frager@amd.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

configs/zynqmp_kria_kv260_defconfig

@@ -17,6 +17,7 @@ BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL=y
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL_LOCATION="$(call github,Xilinx,arm-trusted-firmware,xlnx_rebase_v2.6_2022.1)/xlnx_rebase_v2.6_2022.1.tar.gz"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="zynqmp"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_ADDITIONAL_VARIABLES="ZYNQMP_CONSOLE=cadence1"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31_UBOOT=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y