[][spinand: etron get ecc status return ecc strength]

[Description]
Fix etron get ecc status and return ecc strength now, and delete etron_spinand_detect function which not used in any way.

[Release-log]
N/A

Change-Id: I8bda0a6f26dc264e79d5ea6a012676059f724299
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7730389
1 file changed