[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/boot/common/src/uboot/lib/errno.c b/boot/common/src/uboot/lib/errno.c
new file mode 100644
index 0000000..8330a8f
--- /dev/null
+++ b/boot/common/src/uboot/lib/errno.c
@@ -0,0 +1 @@
+int errno = 0;