arm: mvebu: Don't use 0 as board ID as its used for the custom boards

Using board ID 0 is reserved for the non-Marvell "custom" boards. So
move the board ID's to reflect this.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Cc: Phil Sutter <phil@nwl.cc>

arch/arm/mach-mvebu/serdes/axp/board_env_spec.h

@@ -32,7 +32,7 @@
 #define BOARD_ID_BASE			0x0
 
 /* New board ID numbers */
-#define DB_88F78XX0_BP_ID		(BOARD_ID_BASE)
+#define DB_88F78XX0_BP_ID		(BOARD_ID_BASE + 1)
 #define RD_78460_SERVER_ID		(DB_88F78XX0_BP_ID + 1)
 #define DB_78X60_PCAC_ID		(RD_78460_SERVER_ID + 1)
 #define FPGA_88F78XX0_ID		(DB_78X60_PCAC_ID + 1)