linux-yocto/6.12: revert riscv config sync

linux-yocto/6.12: revert riscv config sync

Integrating the following commit(s) to linux-yocto/.:

1/1 [
    Author: Khem Raj
    Email: raj.khem@gmail.com
    Subject: Revert "bsp/qemuriscv32: Sync config with upstream defconfig 6.12+"
    Date: Thu, 29 May 2025 18:53:48 -0700

    These options are infact required for qemu riscv32 emulation.

    This reverts commit 64e08f7f69c662efe5f3780e7e42fc80635ad16f.

    Signed-off-by: Khem Raj <raj.khem@gmail.com>
    Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
]

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>