[][openwrt][common][Fix build error in libkcapi]

[Description]
Fix patches build failed, filename bug.

[Release-log]

Change-Id: I4bc45295a2bc7a9284447ad425a4a8f0f2242478
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8445419
3 files changed