m68k/mac: Fix RTC on PMU machines

Copy RTC response bytes correctly on powerbooks and duos. Thanks to Diego
Cousinet who debugged this and provided me with the fix. Tested on
PowerBook 190 and Duo 280c.
Signed-off-by: NFinn Thain <fthain@telegraphics.com.au>
Reported-by: NDiego Cousinet <diego@pvco.net>
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>

arch/m68k/mac/misc.c

@@ -91,7 +91,7 @@ static void cuda_write_pram(int offset, __u8 data)
 #define cuda_write_pram NULL
 #endif
 
-#if 0 /* def CONFIG_ADB_PMU68K */
+#ifdef CONFIG_ADB_PMU68K
 static long pmu_read_time(void)
 {
 	struct adb_request req;
@@ -102,8 +102,8 @@ static long pmu_read_time(void)
 	while (!req.complete)
 		pmu_poll();
 
-	time = (req.reply[0] << 24) | (req.reply[1] << 16)
-		| (req.reply[2] << 8) | req.reply[3];
+	time = (req.reply[1] << 24) | (req.reply[2] << 16)
+		| (req.reply[3] << 8) | req.reply[4];
 	return time - RTC_OFFSET;
 }