configs: andes: add vender prefix for target name

Modify "CONFIG_TARGET_AE350" to "CONFIG_TARGET_ANDES_AE350"

Signed-off-by: Randolph <randolph@andestech.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/riscv/dts/Makefile b/arch/riscv/dts/Makefile
index f1525cb..be6c8a4 100644
--- a/arch/riscv/dts/Makefile
+++ b/arch/riscv/dts/Makefile
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0+
 
-dtb-$(CONFIG_TARGET_AE350) += ae350_32.dtb ae350_64.dtb
+dtb-$(CONFIG_TARGET_ANDES_AE350) += ae350_32.dtb ae350_64.dtb
 dtb-$(CONFIG_TARGET_MICROCHIP_ICICLE) += mpfs-icicle-kit.dtb
 dtb-$(CONFIG_TARGET_QEMU_VIRT) += qemu-virt32.dtb qemu-virt64.dtb
 dtb-$(CONFIG_TARGET_OPENPITON_RISCV64) += openpiton-riscv64.dtb