brcmfmac: remove unnecessary EXPORT_SYMBOL() usage

In bcmsdh.c the functions brcmf_sdio_probe() and brcmf_sdio_remove()
were exported, but that is not needed. The functions are linked into
the driver module, which is the only one needing to call these.
Reviewed-by: NFranky Lin <frankyl@broadcom.com>
Reviewed-by: NHante Meuleman <meuleman@broadcom.com>
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: NDaniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c

@@ -17,7 +17,6 @@
 
 #include <linux/types.h>
 #include <linux/netdevice.h>
-#include <linux/export.h>
 #include <linux/pci.h>
 #include <linux/pci_ids.h>
 #include <linux/sched.h>
@@ -774,7 +773,6 @@ int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
 
 	return ret;
 }
-EXPORT_SYMBOL(brcmf_sdio_probe);
 
 int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev)
 {
@@ -791,7 +789,6 @@ int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev)
 
 	return 0;
 }
-EXPORT_SYMBOL(brcmf_sdio_remove);
 
 void brcmf_sdio_wdtmr_enable(struct brcmf_sdio_dev *sdiodev, bool enable)
 {