xtensa: select PERF_USE_VMALLOC for cache-aliasing configurations

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

arch/xtensa/Kconfig

@@ -22,6 +22,7 @@ config XTENSA
 	select HAVE_PERF_EVENTS
 	select IRQ_DOMAIN
 	select MODULES_USE_ELF_RELA
+	select PERF_USE_VMALLOC
 	select VIRT_TO_BUS
 	help
 	  Xtensa processors are 32-bit RISC machines designed by Tensilica