[openwrt/openwrt] ramips: fix NAND flash driver ECC bit position mask

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/918d4ab41ea34358c747aab5471bbb0a2a786dd8

commit 918d4ab41ea34358c747aab5471bbb0a2a786dd8
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Wed Feb 16 21:25:13 2022 +0100

    ramips: fix NAND flash driver ECC bit position mask
    
    The bit position mask was accidentally made too wide, overlapping with the LSB
    from the byte position mask. This caused ECC calculation to fail for odd bytes
    
    Signed-off-by: Chad Monroe <chad.monroe at smartrg.com>
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 .../410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/ramips/patches-5.10/410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch b/target/linux/ramips/patches-5.10/410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch
index 8049dbde14..3314013420 100644
--- a/target/linux/ramips/patches-5.10/410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch
+++ b/target/linux/ramips/patches-5.10/410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch
@@ -233,7 +233,7 @@ Signed-off-by: Weijie Gao <weijie.gao at mediatek.com>
 +#define   DEC_EL_EVEN_S			0
 +#define   DEC_EL_M			0x1fff
 +#define   DEC_EL_BYTE_POS_S		3
-+#define   DEC_EL_BIT_POS_M		GENMASK(3, 0)
++#define   DEC_EL_BIT_POS_M		GENMASK(2, 0)
 +
 +#define ECC_FDMADDR			0x13c
 +