This adds SiFive drivers to rv32_defconfig, to keep in sync with the
64-bit config. This is useful when testing 32-bit kernel with QEMU
'sifive_u' 32-bit machine.
Signed-off-by: NBin Meng <bin.meng@windriver.com>
Reviewed-by: NAnup Patel <anup@brainfault.org>
Reviewed-by: NAlistair Francis <alistair.francis@wdc.com>
Signed-off-by: NPalmer Dabbelt <palmerdabbelt@google.com>