mb/ti/beaglebone: Remove unused includes

Change-Id: Ifd1096cdf3700fa24ad8e5a701f48803650767bd
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38000
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>

src/mainboard/ti/beaglebone/romstage.c

@@ -13,10 +13,6 @@
  * GNU General Public License for more details.
  */
 
-#include <types.h>
-
-#include <armv7.h>
-
 #include <program_loading.h>
 #include <console/console.h>