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/rtc4543.c b/drivers/rtc/rtc4543.c
index 242d9bc..b60e37d 100644
--- a/drivers/rtc/rtc4543.c
+++ b/drivers/rtc/rtc4543.c
@@ -49,13 +49,13 @@
 	/* Read 52 bits into our buffer */
 	tws_read(buffer, 52);
 
-	tm->tm_sec  = BCD2BIN( buffer[0] & 0x7F);
-	tm->tm_min  = BCD2BIN( buffer[1] & 0x7F);
-	tm->tm_hour = BCD2BIN( buffer[2] & 0x3F);
-	tm->tm_wday = BCD2BIN( buffer[3] & 0x07);
-	tm->tm_mday = BCD2BIN((buffer[3] & 0xF0) >> 4 | (buffer[4] & 0x0F) << 4);
-	tm->tm_mon  = BCD2BIN((buffer[4] & 0x30) >> 4 | (buffer[5] & 0x0F) << 4);
-	tm->tm_year = BCD2BIN((buffer[5] & 0xF0) >> 4 | (buffer[6] & 0x0F) << 4) + 2000;
+	tm->tm_sec  = bcd2bin( buffer[0] & 0x7F);
+	tm->tm_min  = bcd2bin( buffer[1] & 0x7F);
+	tm->tm_hour = bcd2bin( buffer[2] & 0x3F);
+	tm->tm_wday = bcd2bin( buffer[3] & 0x07);
+	tm->tm_mday = bcd2bin((buffer[3] & 0xF0) >> 4 | (buffer[4] & 0x0F) << 4);
+	tm->tm_mon  = bcd2bin((buffer[4] & 0x30) >> 4 | (buffer[5] & 0x0F) << 4);
+	tm->tm_year = bcd2bin((buffer[5] & 0xF0) >> 4 | (buffer[6] & 0x0F) << 4) + 2000;
 	tm->tm_yday = 0;
 	tm->tm_isdst = 0;
 
@@ -81,17 +81,17 @@
 		tm->tm_hour, tm->tm_min, tm->tm_sec);
 
 	memset(buffer, 0, 7);
-	buffer[0] = BIN2BCD(tm->tm_sec);
-	buffer[1] = BIN2BCD(tm->tm_min);
-	buffer[2] = BIN2BCD(tm->tm_hour);
-	buffer[3] = BIN2BCD(tm->tm_wday);
-	tmp = BIN2BCD(tm->tm_mday);
+	buffer[0] = bin2bcd(tm->tm_sec);
+	buffer[1] = bin2bcd(tm->tm_min);
+	buffer[2] = bin2bcd(tm->tm_hour);
+	buffer[3] = bin2bcd(tm->tm_wday);
+	tmp = bin2bcd(tm->tm_mday);
 	buffer[3] |= (tmp & 0x0F) << 4;
 	buffer[4] =  (tmp & 0xF0) >> 4;
-	tmp = BIN2BCD(tm->tm_mon);
+	tmp = bin2bcd(tm->tm_mon);
 	buffer[4] |= (tmp & 0x0F) << 4;
 	buffer[5] =  (tmp & 0xF0) >> 4;
-	tmp = BIN2BCD(tm->tm_year  % 100);
+	tmp = bin2bcd(tm->tm_year  % 100);
 	buffer[5] |= (tmp & 0x0F) << 4;
 	buffer[6] =  (tmp & 0xF0) >> 4;