dm: blk: part: Add UCLASS_NVME and IF_TYPE_NVME

This adds a new uclass id and block interface type for NVMe.

Signed-off-by: Zhikang Zhang <zhikang.zhang@nxp.com>
Signed-off-by: Wenbin Song <wenbin.song@nxp.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jon Nettleton <jon@solid-run.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

include/blk.h

@@ -31,6 +31,7 @@ enum if_type {
 	IF_TYPE_SATA,
 	IF_TYPE_HOST,
 	IF_TYPE_SYSTEMACE,
+	IF_TYPE_NVME,
 
 	IF_TYPE_COUNT,			/* Number of interface types */
 };