brcmsmac: reindent split functions

In the previous commit I left the indentation alone to help reviewing
the patch, this one now runs the three new functions through 'indent -kr -8'
with some manual fixups to avoid silliness.

No changes other than whitespace are intended here.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Acked-by: NArend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>