drm/i915/bw: Remove space before newline

There is an extraneous space before a newline in a drm_dbg_kms message.
Remove the space.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://lore.kernel.org/r/20250801164658.2438212-1-colin.i.king@gmail.com


Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>