mmc: sdhi: sys_dmac: check for all Gen3 types when whitelisting

Fixes: 26eb2607 ("mmc: renesas_sdhi: add eMMC HS400 mode support")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>