x86: coreboot: Enable truetype fonts

Truetype fonts look better in the menu, so enable them.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/coreboot64_defconfig b/configs/coreboot64_defconfig
index ace3b63..8f80e02 100644
--- a/configs/coreboot64_defconfig
+++ b/configs/coreboot64_defconfig
@@ -61,6 +61,7 @@
 CONFIG_SOUND=y
 CONFIG_SOUND_I8254=y
 CONFIG_VIDEO_COPY=y
+CONFIG_CONSOLE_TRUETYPE=y
 CONFIG_CONSOLE_SCROLL_LINES=5
 CONFIG_SPL_ACPI=y
 CONFIG_CMD_DHRYSTONE=y