mediatek: Refine whitespace and formating changes

This patch fix whitespace and formating issues:
1. Using two spaces between code and single line comment.
2. No space after asterisk.
3. Fix checkpatch error.
4. Remove spaces after cast operators.

BUG=b:80501386
BRANCH=none
TEST=the refactored code works fine on the new platform (with the rest
     of the patches applied) and Elm platform

Change-Id: Ib36c99b141c94220776fab606eb36af8f64f65bb
Signed-off-by: Tristan Shieh <tristan.shieh@mediatek.com>
Reviewed-on: https://review.coreboot.org/26880
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
17 files changed