reset: Rename free() to rfree()

This function name conflicts with our desire to #define free() to
something else on sandbox. Since it deals with resources, rename it to
rfree().

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/reset/reset-bcm6345.c b/drivers/reset/reset-bcm6345.c
index 753c110..bbaaea9 100644
--- a/drivers/reset/reset-bcm6345.c
+++ b/drivers/reset/reset-bcm6345.c
@@ -52,7 +52,7 @@
 }
 
 struct reset_ops bcm6345_reset_reset_ops = {
-	.free = bcm6345_reset_free,
+	.rfree = bcm6345_reset_free,
 	.request = bcm6345_reset_request,
 	.rst_assert = bcm6345_reset_assert,
 	.rst_deassert = bcm6345_reset_deassert,