C3: add env to support mtd partition [1/1]

PD#SWPL-176740

Problem:
env support mtd partition

Solution:
env support mtd partition

Verify:
C3

Change-Id: Iaac7f2e815b4a49c7a7a261f00c1c48b59b4b312
Signed-off-by: jingsong.yao <jingsong.yao@amlogic.com>
diff --git a/ubootenv/ubootenv.c b/ubootenv/ubootenv.c
index ed7d10b..66d24f5 100644
--- a/ubootenv/ubootenv.c
+++ b/ubootenv/ubootenv.c
@@ -571,6 +571,10 @@
   if (gs_init_done)
     return 0;
   int id = mtd_name_to_number("ubootenv");
+
+  if (id < 0) {
+    id = mtd_name_to_number("env");
+  }
   if (id >= 0) {
   sprintf(gs_partition_name, "/dev/mtd%d", id);
   if ((fd = open (gs_partition_name, O_RDWR)) < 0) {