riscv: Rename Andes cpu and board names

The current ae350-related defconfigs could also
support newer Andes CPU IP, so modify the names of CPU
from ax25 to andesv5, and board name from ax25-ae350 to ae350.

Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Reviewed-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Rick Chen <rick@andestech.com>
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index ebc4bef..48ca4ff 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -8,8 +8,8 @@
 	prompt "Target select"
 	optional
 
-config TARGET_AX25_AE350
-	bool "Support ax25-ae350"
+config TARGET_AE350
+	bool "Support ae350"
 
 config TARGET_MICROCHIP_ICICLE
 	bool "Support Microchip PolarFire-SoC Icicle Board"
@@ -58,7 +58,7 @@
 	  Do not enable data cache in SPL.
 
 # board-specific options below
-source "board/AndesTech/ax25-ae350/Kconfig"
+source "board/AndesTech/ae350/Kconfig"
 source "board/emulation/qemu-riscv/Kconfig"
 source "board/microchip/mpfs_icicle/Kconfig"
 source "board/sifive/unleashed/Kconfig"
@@ -67,7 +67,7 @@
 source "board/sipeed/maix/Kconfig"
 
 # platform-specific options below
-source "arch/riscv/cpu/ax25/Kconfig"
+source "arch/riscv/cpu/andesv5/Kconfig"
 source "arch/riscv/cpu/fu540/Kconfig"
 source "arch/riscv/cpu/fu740/Kconfig"
 source "arch/riscv/cpu/generic/Kconfig"