[POWERPC] iseries: Remove unnecessary include of iseries/hv_lp_event.h

Also remove unnecessary reference to struct HvLpEvent.
Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au>

arch/powerpc/kernel/asm-offsets.c

@@ -40,7 +40,6 @@
 #ifdef CONFIG_PPC64
 #include <asm/paca.h>
 #include <asm/lppaca.h>
-#include <asm/iseries/hv_lp_event.h>
 #include <asm/cache.h>
 #include <asm/compat.h>
 #endif

include/asm-powerpc/iseries/it_lp_queue.h

@@ -27,8 +27,6 @@
 #include <asm/types.h>
 #include <asm/ptrace.h>
 
-struct HvLpEvent;
-
 #define IT_LP_MAX_QUEUES	8
 
 #define IT_LP_NOT_USED		0	/* Queue will not be used by PLIC */