staging: brcm80211: remove duplicated file, bcmutils.c

Remove duplicated file, bcmutils.c under brcm80211/brcmfmac.
brcm80211/util/bcmutils.c will be shared between softmac
& fullmac. Makefile, and some other files are also modified
accordingly

Signed-off-by: Nohee Ko <noheek@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/Makefile

@@ -41,7 +41,7 @@ ccflags-y :=			\
 	-Idrivers/staging/brcm80211/include		\
 	-Idrivers/staging/brcm80211/util
 
-DHDOFILES = dhd_linux.o ../util/linux_osl.o bcmutils.o dhd_common.o dhd_custom_gpio.o	\
+DHDOFILES = dhd_linux.o ../util/linux_osl.o ../util/bcmutils.o dhd_common.o dhd_custom_gpio.o	\
 	wl_iw.o wl_cfg80211.o ../util/siutils.o ../util/sbutils.o ../util/aiutils.o ../util/hndpmu.o ../util/bcmwifi.o dhd_sdio.o	\
 	dhd_linux_sched.o dhd_cdc.o bcmsdh_sdmmc.o bcmsdh.o bcmsdh_linux.o	\
 	bcmsdh_sdmmc_linux.o