Revert "[PATCH] bcm43xx: Fix deviation from specifications in set_baseband_attenuation"

This reverts commit 77548f58.

David Woodhouse wrote:

>This broke my shinybook. I seem to get absolutely _no_ outgoing packets,
>although I can receive OK.

Larry Finger wrote:

>Please revert this patch.

Signed-off-by: John W. Linville <linville@tuxdriver.com>