mmc: quirks: wl1271 is MMC_QUIRK_NONSTD_FUNC_IF

Tell SDIO core to ignore the standard SDIO function interface
codes indicated by the wl1271. This is required because the
wl1271 erroneously indicates its first function as a standard
Bluetooth SDIO interface, and that drives btsdio mad.

Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Signed-off-by: Chris Ball <cjb@laptop.org>