txglomming alignment is a SDIO bus specific feature. It is more
appropriate to place it in SDIO bus layer instead of common layer.
Reviewed-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>