There are two new debug architecture version entries.  I updated the
code for Linux, but fbsd also needs updating.
This patch does this, and should be pretty straightforward.
I can't test this on native fbsd, but I'm fairly confident it should
work.
Signed-off-by: Luis Machado <luis.machado@arm.com>
            case AARCH64_DEBUG_ARCH_V8_1:
            case AARCH64_DEBUG_ARCH_V8_2:
            case AARCH64_DEBUG_ARCH_V8_4:
+           case AARCH64_DEBUG_ARCH_V8_8:
+           case AARCH64_DEBUG_ARCH_V8_9:
              break;
            default:
              return;