apm821xx: kmod-ata-dwc: Make kernel module depend on target
The kmod-ata-dwc is included in target modules.mk file, it should also
depend on the target, otherwise it can be selected from every target.
Link: https://github.com/openwrt/openwrt/pull/19480
Signed-off-by: Hauke Mehrtens <[email protected]>
Hauke Mehrtens