arm: a320evb: define mach-type in board config file

MACH_TYPE_FARADAY was dropped from mach-types.h. Add it back to
board config file.

Signed-off-by: Yan-Pai Chen <ypchen@faraday-tech.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
diff --git a/board/faraday/a320evb/a320evb.c b/board/faraday/a320evb/a320evb.c
index 2578be4..dfd186b 100644
--- a/board/faraday/a320evb/a320evb.c
+++ b/board/faraday/a320evb/a320evb.c
@@ -31,7 +31,6 @@
 
 int board_init(void)
 {
-	gd->bd->bi_arch_number = MACH_TYPE_FARADAY;
 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 
 	ftsmc020_init();	/* initialize Flash */
diff --git a/include/configs/a320evb.h b/include/configs/a320evb.h
index 45a7c53..1fafbed 100644
--- a/include/configs/a320evb.h
+++ b/include/configs/a320evb.h
@@ -25,6 +25,12 @@
 #include <asm/arch/a320.h>
 
 /*
+ * mach-type definition
+ */
+#define MACH_TYPE_FARADAY	758
+#define CONFIG_MACH_TYPE	MACH_TYPE_FARADAY
+
+/*
  * Linux kernel tagged list
  */
 #define CONFIG_CMDLINE_TAG