CONFIG_SYS_GENERIC_BOARD: Finish migration

While we have long since migrated to CONFIG_SYS_GENERIC_BOARD being
enabled, we had just a few places left that still referenced or defined
it.  Update.

Signed-off-by: Tom Rini <trini@konsulko.com>

include/configs/apalis_imx6.h

@@ -14,8 +14,6 @@
 
 #define CONFIG_MACH_TYPE		4886
 
-#define CONFIG_SYS_GENERIC_BOARD
-
 #include <asm/arch/imx-regs.h>
 #include <asm/mach-imx/gpio.h>
 

include/configs/bcmstb.h

@@ -32,11 +32,6 @@ extern phys_addr_t prior_stage_fdt_address;
 
 #endif /* __ASSEMBLY__ */
 
-/*
- * Generic board configuration.
- */
-#define CONFIG_SYS_GENERIC_BOARD
-
 /*
  * CPU configuration.
  */

include/configs/colibri_imx6.h

@@ -12,8 +12,6 @@
 
 #undef CONFIG_DISPLAY_BOARDINFO
 
-#define CONFIG_SYS_GENERIC_BOARD
-
 #include <asm/arch/imx-regs.h>
 #include <asm/mach-imx/gpio.h>