Exynos5420: Clean up console code

- Don't initialize console twice in the bootblock
 - remove printk in memory init that would mess up the UART
 - unconditionally run console_init() in romstage, as it is
   also unconditionally run in the bootblock.

Change-Id: I983d011c6ca602445f447d17799c1b2a33e8bd1d
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Reviewed-on: http://review.coreboot.org/3656
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/cpu/samsung/exynos5420/bootblock.c

@@ -17,7 +17,6 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include <console/console.h>
 #include "clk.h"
 #include "wakeup.h"
 
@@ -38,6 +37,4 @@ void bootblock_cpu_init(void)
 	 * (ex, SPI, SD/MMC, or eMMC) now; but for Exynos platform, that is
 	 * already handled by iROM so there's no need to setup again.
 	 */
-
-	console_init();
 }