Replace BCD2BIN and BIN2BCD macros with inline functions

In the process, also remove backward-compatiblity macros BIN_TO_BCD and
BCD_TO_BIN and update the sole board using them to use the new bin2bcd
and bcd2bin instead

Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Detlev Zundel <dzu@denx.de>
diff --git a/drivers/rtc/s3c44b0_rtc.c b/drivers/rtc/s3c44b0_rtc.c
index bfb744a..a027fb1 100644
--- a/drivers/rtc/s3c44b0_rtc.c
+++ b/drivers/rtc/s3c44b0_rtc.c
@@ -37,24 +37,24 @@
 int rtc_get (struct rtc_time* tm)
 {
 	RTCCON |= 1;
-	tm->tm_year  = BCD2BIN(BCDYEAR);
-	tm->tm_mon   = BCD2BIN(BCDMON);
-	tm->tm_wday   = BCD2BIN(BCDDATE);
-	tm->tm_mday   = BCD2BIN(BCDDAY);
-	tm->tm_hour  = BCD2BIN(BCDHOUR);
-	tm->tm_min  = BCD2BIN(BCDMIN);
-	tm->tm_sec  = BCD2BIN(BCDSEC);
+	tm->tm_year  = bcd2bin(BCDYEAR);
+	tm->tm_mon   = bcd2bin(BCDMON);
+	tm->tm_wday   = bcd2bin(BCDDATE);
+	tm->tm_mday   = bcd2bin(BCDDAY);
+	tm->tm_hour  = bcd2bin(BCDHOUR);
+	tm->tm_min  = bcd2bin(BCDMIN);
+	tm->tm_sec  = bcd2bin(BCDSEC);
 
 	if (tm->tm_sec==0) {
 		/* we have to re-read the rtc data because of the "one second deviation" problem */
 		/* see RTC datasheet for more info about it */
-		tm->tm_year  = BCD2BIN(BCDYEAR);
-		tm->tm_mon   = BCD2BIN(BCDMON);
-		tm->tm_mday   = BCD2BIN(BCDDAY);
-		tm->tm_wday   = BCD2BIN(BCDDATE);
-		tm->tm_hour  = BCD2BIN(BCDHOUR);
-		tm->tm_min  = BCD2BIN(BCDMIN);
-		tm->tm_sec  = BCD2BIN(BCDSEC);
+		tm->tm_year  = bcd2bin(BCDYEAR);
+		tm->tm_mon   = bcd2bin(BCDMON);
+		tm->tm_mday   = bcd2bin(BCDDAY);
+		tm->tm_wday   = bcd2bin(BCDDATE);
+		tm->tm_hour  = bcd2bin(BCDHOUR);
+		tm->tm_min  = bcd2bin(BCDMIN);
+		tm->tm_sec  = bcd2bin(BCDSEC);
 	}
 
 	RTCCON &= ~1;
@@ -75,13 +75,13 @@
 		tm->tm_year -= 2000;
 
 	RTCCON |= 1;
-	BCDYEAR = BIN2BCD(tm->tm_year);
-	BCDMON = BIN2BCD(tm->tm_mon);
-	BCDDAY = BIN2BCD(tm->tm_mday);
-	BCDDATE = BIN2BCD(tm->tm_wday);
-	BCDHOUR = BIN2BCD(tm->tm_hour);
-	BCDMIN = BIN2BCD(tm->tm_min);
-	BCDSEC = BIN2BCD(tm->tm_sec);
+	BCDYEAR = bin2bcd(tm->tm_year);
+	BCDMON = bin2bcd(tm->tm_mon);
+	BCDDAY = bin2bcd(tm->tm_mday);
+	BCDDATE = bin2bcd(tm->tm_wday);
+	BCDHOUR = bin2bcd(tm->tm_hour);
+	BCDMIN = bin2bcd(tm->tm_min);
+	BCDSEC = bin2bcd(tm->tm_sec);
 	RTCCON &= 1;
 
 	return 0;