arm/ti/am335x: use new arm bootblock infrastructure

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

Change-Id: I70cbe3abad8443c5dc71c8ba76a35973a5284477
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-on: http://review.coreboot.org/7189
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>

src/cpu/ti/am335x/Kconfig

@@ -5,19 +5,12 @@ config CPU_TI_AM335X
 	select HAVE_MONOTONIC_TIMER
 	select HAVE_UART_SPECIAL
 	select BOOTBLOCK_CONSOLE
+	select CPU_HAS_BOOTBLOCK_INIT
 	bool
 	default n
 
 if CPU_TI_AM335X
 
-config BOOTBLOCK_CPU_INIT
-	string
-	default "cpu/ti/am335x/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.
-
 config BOOTBLOCK_BASE
 	hex
 	default 0x402f0400

src/cpu/ti/am335x/Makefile.inc

@@ -1,5 +1,6 @@
-bootblock-y	+= dmtimer.c
+bootblock-y	+= bootblock.c
 bootblock-y	+= bootblock_media.c
+bootblock-y	+= dmtimer.c
 bootblock-y	+= pinmux.c
 
 romstage-y	+= nand.c

src/cpu/ti/am335x/bootblock.c

@@ -20,8 +20,8 @@
 #include <types.h>
 
 #include <arch/cache.h>
+#include <bootblock_common.h>
 
-void bootblock_cpu_init(void);
 void bootblock_cpu_init(void)
 {
 	uint32_t sctlr;