brcm80211: fmac: move sdio related macros to sdio_host.h

dhd_bus.h will be used as the shared header file for common layer
and bus layer. It should not contain any sdio specific macros.
This patch moves them to sdio_host.h as part of the fullmac bus
interface refactoring.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c
index 8b4dba3..65c948e 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_cdc.c
@@ -82,13 +82,14 @@
 
 
 #define RETRIES 2 /* # of retries to retrieve matching dcmd response */
-#define BUS_HEADER_LEN	(16+BRCMF_SDALIGN) /* Must be atleast SDPCM_RESERVE
+#define BUS_HEADER_LEN	(16+64)		/* Must be atleast SDPCM_RESERVE
 					 * (amount of header tha might be added)
 					 * plus any space that might be needed
-					 * for alignment padding.
+					 * for bus alignment padding.
 					 */
-#define ROUND_UP_MARGIN	2048	/* Biggest SDIO block size possible for
+#define ROUND_UP_MARGIN	2048	/* Biggest bus block size possible for
 				 * round off at the end of buffer
+				 * Currently is SDIO
 				 */
 
 struct brcmf_proto {