arm64: defconfig: Enable RZ_DMAC

commit 7e2aa15f5ec3a8294127673f186c83b4d87cde13 upstream.

Enable DMAC driver support for Renesas RZ/G2L based platforms.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20210920093605.8906-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Pavel Machek <pavel@denx.de>
23 jobs for ci/pavel/linux-test in 34 minutes and 9 seconds (queued for 28 seconds)