coreboot: Switch to a monospaced font

The default font is proportional, with different character widths.
Select a monospace font for coreboot so that the 'dm tree' output lines
up correctly.

Update the coreboot tests to match.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/coreboot64_defconfig b/configs/coreboot64_defconfig
index da42ad0..553f1dc 100644
--- a/configs/coreboot64_defconfig
+++ b/configs/coreboot64_defconfig
@@ -61,6 +61,9 @@
 CONFIG_SOUND_I8254=y
 CONFIG_VIDEO_COPY=y
 CONFIG_CONSOLE_TRUETYPE=y
+CONFIG_CONSOLE_TRUETYPE_SIZE=20
+# CONFIG_CONSOLE_TRUETYPE_NIMBUS is not set
+CONFIG_CONSOLE_TRUETYPE_ANKACODER=y
 CONFIG_CONSOLE_SCROLL_LINES=5
 CONFIG_SPL_ACPI=y
 CONFIG_CMD_DHRYSTONE=y