andes: Unify naming policy for Andes related source

Signed-off-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/board/AndesTech/ae350/Kconfig b/board/andestech/ae350/Kconfig
similarity index 91%
rename from board/AndesTech/ae350/Kconfig
rename to board/andestech/ae350/Kconfig
index a85e7d6..096564b 100644
--- a/board/AndesTech/ae350/Kconfig
+++ b/board/andestech/ae350/Kconfig
@@ -1,13 +1,13 @@
 if TARGET_ANDES_AE350
 
 config SYS_CPU
-	default "andesv5"
+	default "andes"
 
 config SYS_BOARD
 	default "ae350"
 
 config SYS_VENDOR
-	default "AndesTech"
+	default "andestech"
 
 config SYS_SOC
 	default "ae350"
@@ -33,7 +33,7 @@
 
 config BOARD_SPECIFIC_OPTIONS # dummy
 	def_bool y
-	select RISCV_NDS
+	select RISCV_ANDES
 	select SUPPORT_SPL
 	select BINMAN if SPL
 	imply SMP
diff --git a/board/AndesTech/ae350/MAINTAINERS b/board/andestech/ae350/MAINTAINERS
similarity index 95%
rename from board/AndesTech/ae350/MAINTAINERS
rename to board/andestech/ae350/MAINTAINERS
index a6bc90b..31e34e6 100644
--- a/board/AndesTech/ae350/MAINTAINERS
+++ b/board/andestech/ae350/MAINTAINERS
@@ -1,7 +1,7 @@
 AE350 BOARD
 M:	Rick Chen <rick@andestech.com>
 S:	Maintained
-F:	board/AndesTech/ae350/
+F:	board/andestech/ae350/
 F:	include/configs/ae350.h
 F:	configs/ae350_rv32_defconfig
 F:	configs/ae350_rv32_falcon_defconfig
diff --git a/board/AndesTech/ae350/Makefile b/board/andestech/ae350/Makefile
similarity index 100%
rename from board/AndesTech/ae350/Makefile
rename to board/andestech/ae350/Makefile
diff --git a/board/AndesTech/ae350/ae350.c b/board/andestech/ae350/ae350.c
similarity index 98%
rename from board/AndesTech/ae350/ae350.c
rename to board/andestech/ae350/ae350.c
index 62b93b4..5ae5bae 100644
--- a/board/AndesTech/ae350/ae350.c
+++ b/board/andestech/ae350/ae350.c
@@ -99,7 +99,7 @@
 #ifdef CONFIG_SPL_BOARD_INIT
 void spl_board_init()
 {
-	/* enable v5l2 cache */
+	/* enable andes-l2 cache */
 	if (!CONFIG_IS_ENABLED(SYS_DCACHE_OFF))
 		enable_caches();
 }