tegra: Add SDMMC support to funcmux

This adds support for SDMMC ports to the funcmux. Only one
option is supported: FUNCMUXO_SDMMC_8BIT which selects an 8-bit
wide SDIO interface where available.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
2 files changed