[][MAC80211][Fix eeprom size in testmode patch]

[Description]
Fix eeprom size in testmode patch, and also remove unused channels.

[Release-log]
N/A

Change-Id: If4b2a52d7719e5136ba4288715a81f9ac8aec724
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5893380
2 files changed