bmpblk: Fix up Bengali language name

Similar to CL:2346887, write the language name of Bengali *in Bengali*
(locale 'bn').

BUG=b:161890270
TEST=make BOARD=asurada
TEST=Bitmap language_bn.bmp looked good
BRANCH=none

Change-Id: I78dad439d2ef4e99a68cdee5dceee2885662041c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/bmpblk/+/2677841
Tested-by: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-by: Joel Kitching <kitching@chromium.org>
Commit-Queue: Yu-Ping Wu <yupingso@chromium.org>
1 file changed