imx: add comments and remove unused struct fields

Add comment block for the imx_ddr_size function and remove the extra unused
fields from struct esd_mmdc_regs which are also not common between IMX53 and
IMX6.

Cc: Stefan Roese <[email protected]>
Cc: Otavio Salvador <[email protected]>
Cc: Andy Ng <[email protected]>
Cc: Eric Nelson <[email protected]>
Cc: Tapani Utriainen <[email protected]>
Cc: Tom Rini <[email protected]>

Signed-off-by: Tim Harvey <[email protected]>
Acked-by: Stefano Babic <[email protected]>
Acked-by: Nikita Kiryanov <[email protected]>

0 files changed, 0 insertions, 0 deletions