soc/intel/broadwell: Fix other issues detected by checkpatch

Fix the following error and warnings detected by checkpatch.pl:

ERROR: switch and case should be at the same indent
WARNING: line over 80 characters
WARNING: storage class should be at the beginning of the declaration
WARNING: adding a line without newline at end of file
WARNING: __func__ should be used instead of gcc specific __FUNCTION__
WARNING: Comparisons should place the constant on the right side of the test

TEST=None

Change-Id: I85c400e4a087996fc81ab8b0e5422ba31df3c982
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18885
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
9 files changed