microblaze: Core oprofile configs and hooks

Microblaze uses timer interrupt mode. Microblaze don't have
any performance counter that's why we use just simple implementation.

Signed-off-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/oprofile/Makefile b/arch/microblaze/oprofile/Makefile
new file mode 100644
index 0000000..0d0348c
--- /dev/null
+++ b/arch/microblaze/oprofile/Makefile
@@ -0,0 +1,13 @@
+#
+# arch/microblaze/oprofile/Makefile
+#
+
+obj-$(CONFIG_OPROFILE) += oprofile.o
+
+DRIVER_OBJS := $(addprefix ../../../drivers/oprofile/, \
+		oprof.o cpu_buffer.o buffer_sync.o \
+		event_buffer.o oprofile_files.o \
+		oprofilefs.o oprofile_stats.o \
+		timer_int.o )
+
+oprofile-y := $(DRIVER_OBJS) microblaze_oprofile.o