system: update kernel

-wireless: move bcmdhd to bcmdhd_samsung
-wireless: add bcmdhd from google's common (3.0)
-net: update wireless from google's common (3.0)
-wireless: bcmdhd: use BROADCOM_WIFI_RESERVED_MEM for DHD_USE_STATIC_BUF
-wireless: bcmdhd: omit/add some flag(s) for SAMSUNG_VARIATION_TEGRA
-wireless: bcmdhd: add READ_MACADDR for SAMSUNG_VARIATION_TEGRA
-wireless: bcmdhd: add EXAMPLE_TABLE
-defconfig: jb: use bcmdhd (google)