rockchip/rk3399: Cleanup comments in sdram.c

Cleans up the comments in sdram.c to make them consistent.

BRANCH=none
BUG=none
TEST=make sure gru/kevin build and boot
also, run "stressapptest -M 1024 -s 3600" to make sure it passes

Change-Id: Iaf8a32cfe2b22c4ccff71952f90d162ad8c2d3e7
Signed-off-by: Derek Basehore <dbasehore@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/355665
Reviewed-by: Martin Roth <martinroth@chromium.org>
1 file changed