Update to version 2.6 from upstream
    Remove obsolete patches for NL80211_ATTR_SMPS_MODE encoding and KRACK
    Fix CVE-2019-9494 (cache attack against SAE)
    Fix CVE-2019-9495 (cache attack against EAP-pwd)
    Fix CVE-2019-9496 (SAE confirm missing state validation in hostapd/AP)
    Fix CVE-2019-9497 (EAP-pwd server not checking for reflection attack)
    Fix CVE-2019-9498 (EAP-pwd server missing commit validation for scalar/element)
    Fix CVE-2019-9499 (EAP-pwd peer missing commit validation for scalar/element)