staging: mt7621-mmc: Remove unused macro sdr_read8

The macro sdr_read8 is never used, so remove it.

Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Lütke-Stetzkamp 2018-06-16 16:14:44 +02:00 • committed by Greg Kroah-Hartman
commit 85e25ffc99