brcm80211: fmac: move chip reset core function to sdio_chip.c

This patch is part of the abstracting chip backplane handle code
series.

Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h
index 9c43e1d..6ad5ea6 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h
@@ -133,6 +133,8 @@
 	u32 sbidhigh;	/* identification */
 };
 
+extern void brcmf_sdio_chip_resetcore(struct brcmf_sdio_dev *sdiodev,
+				      u32 corebase);
 extern bool brcmf_sdio_chip_iscoreup(struct brcmf_sdio_dev *sdiodev,
 				     u32 corebase);
 extern void brcmf_sdio_chip_coredisable(struct brcmf_sdio_dev *sdiodev,