smdk4412: mali: merge with r3p1 driver from note8
taken from cyanogenmod commit and modified for my sources. original commit can be found here:
https://github.com/CyanogenMod/android_kernel_samsung_smdk4412/commit/88234890ea8fd8f60101c0b9690f1ea756cc3c5b

Change-Id: Iee0c1f09bb22b76aa64f907210101987576fb7e0
bcmdhd: reenable IPv6, disable multicast in suspend

Change-Id: Ibed08394600cd00bbace45d55f75d0bb1e12c537
bcmdhd: disable GAN_LITE_NAT_KEEPALIVE_FILTER

Change-Id: Ibffa4612d418a93483d3a6b374b3f87a554b57d5