bcma: make some functions static

The functions and structs are not used in an other file and the
prototypes are in no header file, just make them static so the compiler
is able to optimize them better.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --cc drivers/bcma/driver_chipcommon_pmu.c
Simple merge

diff --cc drivers/bcma/host_pci.c
Simple merge

diff --cc drivers/bcma/host_soc.c
Simple merge