target/openrisc: Use explicit big-endian LD/ST API

target/openrisc: Use explicit big-endian LD/ST API

The OpenRISC architecture uses big endianness. Directly
use the big-endian LD/ST API.

Mechanical change running:

  $ for a in uw w l q; do \
      sed -i -e "s/ld${a}_p(/ld${a}_be_p(/" \
        $(git grep -wlE '(ld|st)u?[wlq]_p' target/openrisc/);
    done

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20251224161804.90064-3-philmd@linaro.org>