tools/memory-model: Fix coding style in 'lock.cat'

This commit uses tabs for indentation and adds spaces around binary
operator.

Signed-off-by: Andrea Parri <andrea.parri@amarulasolutions.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: akiyks@gmail.com
Cc: boqun.feng@gmail.com
Cc: dhowells@redhat.com
Cc: j.alglave@ucl.ac.uk
Cc: linux-arch@vger.kernel.org
Cc: luc.maranget@inria.fr
Cc: npiggin@gmail.com
Cc: parri.andrea@gmail.com
Cc: stern@rowland.harvard.edu
Link: http://lkml.kernel.org/r/1526340837-12222-16-git-send-email-paulmck@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

tools/memory-model/lock.cat

@@ -112,7 +112,7 @@ let rfi-ru = ([UL] ; po-loc ; [RU]) \ ([UL] ; po-loc ; [LKW] ; po-loc)
 let all-possible-rfe-ru =
 	let possible-rfe-ru r =
 		let pair-to-relation p = p ++ 0
-     in map pair-to-relation (((UL|IW) * {r}) & loc & ext)
+		in map pair-to-relation (((UL | IW) * {r}) & loc & ext)
 	in map possible-rfe-ru RU
 
 (* Generate all rf relations for RU events *)