brcmsmac: add debug info message providing phy and radio info

For debug purposes it is good to have the phy and radio information
available in the log. Only logged when driver is built when BRCMDBG
or BRCM_TRACING kconfig are set.
Tested-by: NDavid Herrmann <dh.herrmann@gmail.com>
Reviewed-by: NPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmsmac/main.c

@@ -4652,7 +4652,9 @@ static int brcms_b_attach(struct brcms_c_info *wlc, struct bcma_device *core,
 		wlc->band->phyrev = wlc_hw->band->phyrev;
 		wlc->band->radioid = wlc_hw->band->radioid;
 		wlc->band->radiorev = wlc_hw->band->radiorev;
-
+		brcms_dbg_info(core, "wl%d: phy %u/%u radio %x/%u\n", unit,
+			       wlc->band->phytype, wlc->band->phyrev,
+			       wlc->band->radioid, wlc->band->radiorev);
 		/* default contention windows size limits */
 		wlc_hw->band->CWmin = APHY_CWMIN;
 		wlc_hw->band->CWmax = PHY_CWMAX;