85xx/p1_p2_rdb: enable hwconfig

Signed-off-by: Vivek Mahajan <vivek.mahajan@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

include/configs/P1_P2_RDB.h

@@ -84,6 +84,8 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_MP
 #endif
 
+#define CONFIG_HWCONFIG
+
 /*
  * These can be toggled for performance analysis, otherwise use default.
  */