backports: Include drivers/net/wireless/cw1200

The cw1200 WLAN driver was added in 3.11-rc; include it in backports.

Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
backports: Add patch for cw1200_sdio with kernels < 3.2

Without this patch, the hardware *will* hang on <3.2 kernels when a
512-byte SDIO transfer occurs.

3.2-rc added an SDIO quirk to work around this, so this code was
stripped from the driver when committed to the mainline.

Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>