staging: brcm80211: move header file

Move the pci_core.h header file from util to include subdir, in preparation for
other moves and cleanup.

Cc: devel@linuxdriverproject.org
Cc: linux-wireless@vger.kernel.org
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/brcm80211/util/pci_core.h b/drivers/staging/brcm80211/include/pci_core.h
similarity index 100%
rename from drivers/staging/brcm80211/util/pci_core.h
rename to drivers/staging/brcm80211/include/pci_core.h