Bug#1089010: debian-installer: arm64, armhf cdrom do not set the selected keyboard layout

[Pascal Hambourg <pascal@plouf.fr.eu.org>]

Control: found -1 20230607+deb12u9

> Bug #1089010 in debian-installer reported by you has been fixed in the
> Git repository and is awaiting an upload. You can see the commit
> message below and you can check the diff of the fix at:
>
> https://salsa.debian.org/installer-team/debian-installer/-/commit/f55672097926ea8138b70fb1cc0c9a06adbf4711
>
> ------------------------------------------------------------------------
> Add console-setup-pc-ekmap for arm64 and armhf cdrom
>
> This is needed for keyboard layout selection to be effective.
>
> Closes: #1089010
> ------------------------------------------------------------------------

Please consider backporting this fix to bookworm.