[PATCH] Fix matroxfb compile on m68k

The m68k architecture define is __mc68000__, not __m68k__.

From Andreas Schwab <schwab@suse.de>.

drivers/video/matrox/matroxfb_base.h

@@ -105,7 +105,7 @@
 #endif
 #endif
 
-#if defined(__alpha__) || defined(__m68k__)
+#if defined(__alpha__) || defined(__mc68000__)
 #define READx_WORKS
 #define MEMCPYTOIO_WORKS
 #else
@@ -121,7 +121,7 @@
 #endif
 #endif
 
-#if defined(__m68k__)
+#if defined(__mc68000__)
 #define MAP_BUSTOVIRT
 #else
 #define MAP_IOREMAP