sparc32: remove CONFIG_HAVE_PERF_EVENTS option

Remove HAVE_PERF_EVENTS and PERF_USE_VMALLOC under config
SPARC because they're under SPARC64 too. Supporting
perf_event needs atomic64 operations but AFAIK sparc32
doesn't provide them, CMIIW. ;-) Also removes redundant
HAVE_IRQ_WORK line.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/Kconfig

@@ -28,8 +28,6 @@ config SPARC
 	select RTC_CLASS
 	select RTC_DRV_M48T59
 	select HAVE_IRQ_WORK
-	select HAVE_PERF_EVENTS
-	select PERF_USE_VMALLOC
 	select HAVE_DMA_ATTRS
 	select HAVE_DMA_API_DEBUG
 	select HAVE_ARCH_JUMP_LABEL
@@ -56,7 +54,6 @@ config SPARC64
 	select RTC_DRV_BQ4802
 	select RTC_DRV_SUN4V
 	select RTC_DRV_STARFIRE
-	select HAVE_IRQ_WORK
 	select HAVE_PERF_EVENTS
 	select PERF_USE_VMALLOC