[Feature][task-view-1126]merge ZXW nand flash patch

Only Configure: No
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No

Change-Id: Iaeb60fdc93b8ccc6ebd3f150fa047ddbee6c0d8c
diff --git a/boot/common/src/uboot/include/linux/mtd/nand.h b/boot/common/src/uboot/include/linux/mtd/nand.h
index f1c4aa1..a3c0a30 100755
--- a/boot/common/src/uboot/include/linux/mtd/nand.h
+++ b/boot/common/src/uboot/include/linux/mtd/nand.h
@@ -529,6 +529,7 @@
 #define NAND_DEVID_GD5F1GQ5R_1G 0x41
 
 #define NAND_DEVID_EMST_F50D1G41LB_1G 0x11
+#define NAND_DEVID_GD5F4GM8  0x85
 
 #define NAND_DEVID_PARAGON_1G 0xC1
 #define NAND_DEVID_PARAGON_2G 0xC2