calypso: Add essential locales and rtl configuration

Explicitly define supported locales and RTL settings for the
calypso board to match the bluey board configuration.

BUG=b:502842015
TEST=Able to emerge-calypso.

Change-Id: I12cbc5f3c06e7380852032b213243d11da27be71
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/bmpblk/+/7775627
Reviewed-by: Yu-Ping Wu <yupingso@chromium.org>
Tested-by: Subrata Banik <subratabanik@chromium.org>
Auto-Submit: Subrata Banik <subratabanik@chromium.org>
GitOrigin-RevId: d551d26715100831ccde79ce7d0c518b4ea12248