board: toradex: colibri_vf: efi_loader: unset CONFIG_EFI_UNICODE_CAPITALIZATION

Unset CONFIG_EFI_UNICODE_CAPITALIZATION on boards with tough size
restrictions.

This is analogous to commit a90bf07afc43
("efi_loader: unset CONFIG_EFI_UNICODE_CAPITALIZATION").

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
diff --git a/configs/colibri_vf_defconfig b/configs/colibri_vf_defconfig
index 5854910..38f450c 100644
--- a/configs/colibri_vf_defconfig
+++ b/configs/colibri_vf_defconfig
@@ -72,3 +72,4 @@
 CONFIG_VIDEO=y
 CONFIG_SYS_CONSOLE_FG_COL=0x00
 CONFIG_OF_LIBFDT_OVERLAY=y
+# CONFIG_EFI_UNICODE_CAPITALIZATION is not set