brcmsmac now takes the sprom from bcma and do not uses its own sprom
parsing any more. Remove this code as it is not used any more.
Signed-off-by: NHauke Mehrtens <hauke@hauke-m.de>
Tested-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>