rockchip/rk3288: Initialize CPU in bootblock

Some basic MMU setup is required to allow unaligned memory accesses that
happen across our entire codebase.

Change-Id: If5a84e19a7a3e47d6009fd073b1323dfb25e6a06
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Found-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/10753
Tested-by: build bot (Jenkins)
Reviewed-by: Julius Werner <jwerner@chromium.org>

src/soc/rockchip/rk3288/Makefile.inc

@@ -21,7 +21,7 @@ ifeq ($(CONFIG_SOC_ROCKCHIP_RK3288),y)
 
 IDBTOOL = util/rockchip/make_idb.py
 
-#bootblock-y += bootblock.c
+bootblock-y += bootblock.c
 bootblock-y += cbmem.c
 ifeq ($(CONFIG_BOOTBLOCK_CONSOLE),y)
 bootblock-$(CONFIG_DRIVERS_UART) += uart.c

src/soc/rockchip/rk3288/bootblock.c

@@ -27,7 +27,7 @@
 #include <soc/timer.h>
 #include <symbols.h>
 
-static void bootblock_soc_init(void)
+void bootblock_soc_init(void)
 {
 	rkclk_init();