[PATCH v1] configs: verdin-am62: Drop unused or redundant config options

[Francesco Dolcini]

On Tue, May 06, 2025 at 09:08:59AM +0200, Emanuele Ghidoli wrote:
> From: Emanuele Ghidoli <emanuele.ghidoli at toradex.com>
> 
> Several Kconfig options are enabled but unused or unnecessary for our
> use case. These include features such as SPL FAT support, YMODEM, and
> USB keyboard. Some R5-specific configurations are not used at all,
> as U-Boot proper is not executed on that core.
> 
> Cleaning them up helps reduce build size and simplifies maintenance.
> 
> Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli at toradex.com>

Reviewed-by: Francesco Dolcini <francesco.dolcini at toradex.com>