aspeed: Fix Kconfig logic on "DM_RESET" and ASPEED_AST2500

It is not the case that we can only pick ASPEED_AST2500 if DM_RESET
is enabled, but rather choosing ASPEED_AST2500 means we must select
DM_RESET.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-aspeed/Kconfig b/arch/arm/mach-aspeed/Kconfig
index 1e7dc10..9cf6037 100644
--- a/arch/arm/mach-aspeed/Kconfig
+++ b/arch/arm/mach-aspeed/Kconfig
@@ -16,8 +16,8 @@
 
 config ASPEED_AST2500
 	bool "Support Aspeed AST2500 SoC"
-	depends on DM_RESET
 	select CPU_ARM1176
+	select DM_RESET
 	help
 	  The Aspeed AST2500 is a ARM-based SoC with arm1176 CPU.
 	  It is used as Board Management Controller on many server boards,