m68k: use the mc146818rtc.h for non-mmu setups as well.

The mmu varient of mc146818rtc.h can be use on the non-mmu builds as well.
Revert to the single mc146818rtc.h file.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>

arch/m68k/include/asm/mc146818rtc.h

@@ -1,5 +1,26 @@
-#ifdef __uClinux__
-#include "mc146818rtc_no.h"
-#else
-#include "mc146818rtc_mm.h"
-#endif
+/*
+ * Machine dependent access functions for RTC registers.
+ */
+#ifndef _ASM_MC146818RTC_H
+#define _ASM_MC146818RTC_H
+
+
+#ifdef CONFIG_ATARI
+/* RTC in Atari machines */
+
+#include <asm/atarihw.h>
+
+#define RTC_PORT(x)	(TT_RTC_BAS + 2*(x))
+#define RTC_ALWAYS_BCD	0
+
+#define CMOS_READ(addr) ({ \
+atari_outb_p((addr),RTC_PORT(0)); \
+atari_inb_p(RTC_PORT(1)); \
+})
+#define CMOS_WRITE(val, addr) ({ \
+atari_outb_p((addr),RTC_PORT(0)); \
+atari_outb_p((val),RTC_PORT(1)); \
+})
+#endif /* CONFIG_ATARI */
+
+#endif /* _ASM_MC146818RTC_H */