wireless: bcmdhd: samsung: update from i9100

-add P4/P3 specific flags
-set CUSTOMER_SET_COUNTRY for MACH_SAMSUNG_VARIATION_TEGRA
-declare func for ARCH_TEGRA
wireless: bcmdhd: samsung: reenable IPv6, disable multicast in suspend

-merged from:
 https://github.com/CyanogenMod/android_kernel_samsung_smdk4210/commit/68758a36d16a121741d0bc268932a1e78f120767
wireless: bcmdhd: samsung: disable GAN_LITE_NAT_KEEPALIVE_FILTER

-merged from:
 https://github.com/CyanogenMod/android_kernel_samsung_smdk4210/commit/a94557c2342aa8315afb1a98384f164ef2e908d6
wireless: bcmdhd: samsung: strip debug
defconfig: jb: regen
wireless: bcmdhd: samsung: remove ENHANCED_STATIC_BUF