arm/allwinner/a10: use new arm bootblock infrastructure

commit 8b685398 (ARM: Overhaul the ARM Makefile.)
changes config flags for cpu and mainboard bootblock initialization.
Tested on a20/cubieboard2.

Change-Id: I753aa60ff66de9a3352a3a0759e4d0be9d8ae1c7
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-on: http://review.coreboot.org/7187
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/cpu/allwinner/a10/Kconfig

@@ -12,14 +12,7 @@ config CPU_SPECIFIC_OPTIONS
 	select HAVE_MONOTONIC_TIMER
 	select HAVE_UART_SPECIAL
 	select BOOTBLOCK_CONSOLE
-
-config BOOTBLOCK_CPU_INIT
-	string
-	default "cpu/allwinner/a10/bootblock.c"
-	help
-	  CPU/SoC-specific bootblock code. This is useful if the
-	  bootblock must load microcode or copy data from ROM before
-	  searching for the bootblock.
+	select CPU_HAS_BOOTBLOCK_INIT
 
 # The "eGON.BT0" header takes 32 bytes
 config BOOTBLOCK_BASE

src/cpu/allwinner/a10/Makefile.inc

@@ -1,3 +1,4 @@
+bootblock-y	+= bootblock.c
 bootblock-y	+= bootblock_media.c
 bootblock-y	+= clock.c
 bootblock-y	+= gpio.c

src/cpu/allwinner/a10/bootblock.c

@@ -8,8 +8,8 @@
 
 #include <types.h>
 #include <arch/cache.h>
+#include <bootblock_common.h>
 
-void bootblock_cpu_init(void);
 void bootblock_cpu_init(void)
 {
 	uint32_t sctlr;