alpha/parisc: remove config variable DEBUG_RWLOCK

Remove config variable DEBUG_RWLOCK, since it is not used.

Signed-off-by: Jiri Olsa <olsajiri@gmail.com>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Acked-by: Kyle McMartin <kyle@mcmartin.ca>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/alpha/Kconfig.debug

@@ -7,15 +7,6 @@ config EARLY_PRINTK
 	depends on ALPHA_GENERIC || ALPHA_SRM
 	default y
 
-config DEBUG_RWLOCK
-	bool "Read-write spinlock debugging"
-	depends on DEBUG_KERNEL
-	help
-	  If you say Y here then read-write lock processing will count how many
-	  times it has tried to get the lock and issue an error message after
-	  too many attempts.  If you suspect a rwlock problem or a kernel
-	  hacker asks for this option then say Y.  Otherwise say N.
-
 config ALPHA_LEGACY_START_ADDRESS
 	bool "Legacy kernel start address"
 	depends on ALPHA_GENERIC