usb: typec: anx7411: Fix wrong pointer passed to PTR_ERR()

It should be 'ctx->typec.amode[i]' passed to PTR_ERR() when
typec_partner_register_altmode() failed.

Fixes: fe6d8a9c

 ("usb: typec: anx7411: Add Analogix PD ANX7411 support")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220721071201.269344-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>