dm: part: Rename some partition functions

Rename three partition functions so that they start with part_. This makes
it clear what they relate to.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Stephen Warren <swarren@nvidia.com>
diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
index c27a250..5204f52 100644
--- a/common/spl/spl_mmc.c
+++ b/common/spl/spl_mmc.c
@@ -122,7 +122,7 @@
 	disk_partition_t info;
 	int err;
 
-	err = get_partition_info(&mmc->block_dev, partition, &info);
+	err = part_get_info(&mmc->block_dev, partition, &info);
 	if (err) {
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
 		puts("spl: partition error\n");