sunxi: mmc: Improve reset procedure

Cards should always be reset and threshold set. This fixes eMMC on H616.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
[Andre: use macro-defined offsets to fix build on older SoCs]
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2 files changed