SPARC64: Kill BR_GLOBALIRQ_LOCK and cpp warning about it. Kill include typo.

include/asm-sparc64/hardirq.h

@@ -16,7 +16,6 @@
 typedef struct {
 	unsigned int __softirq_pending;
 	unsigned int __unused_1;
-#warning DaveM kill SMP irq brlock... no longer needed...
 	unsigned int __unused_2;
 	unsigned int __unused_3;
 	unsigned int __syscall_count;

include/asm-sparc64/softirq.h

@@ -6,7 +6,7 @@
 #ifndef __SPARC64_SOFTIRQ_H
 #define __SPARC64_SOFTIRQ_H
 
-#include <asm/preempt.h>
+#include <linux/preempt.h>
 #include <asm/hardirq.h>
 #include <asm/system.h>		/* for membar() */
 

include/linux/brlock.h

@@ -34,7 +34,6 @@
 
 /* Register bigreader lock indices here. */
 enum brlock_indices {
-	BR_GLOBALIRQ_LOCK,
 	BR_NETPROTO_LOCK,
 	BR_LLC_LOCK,
 	__BR_END