arm: spear: Move to generic board support

Without this change the board support for these SPEAr boards would
be dropped soon. Generic board support seems to work just fine.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Vipin Kumar <vk.vipin@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

include/configs/spear-common.h

@@ -11,6 +11,8 @@
  * Common configurations used for both spear3xx as well as spear6xx
  */
 
+#define CONFIG_SYS_GENERIC_BOARD
+
 /* U-boot Load Address */
 #define CONFIG_SYS_TEXT_BASE			0x00700000
 

include/configs/x600.h

@@ -16,6 +16,7 @@
  */
 #define CONFIG_SPEAR600				/* SPEAr600 SoC */
 #define CONFIG_X600				/* on X600 board */
+#define CONFIG_SYS_GENERIC_BOARD
 
 #include <asm/arch/hardware.h>