staging: mt7621-mmc: Replace sdr_read32 with readl

The current code uses a macro (sdr_read32) for reading from hardware,
but it is only a readl, so replace it to get nearer to upstream code.

Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2 files changed