cpu: Fix style in cpu/timing_expr.cc.

Change-Id: Ic3d9d870b2f7648fd8b215692c33580f05cdb364
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/49775
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
1 file changed