put a big fat error if no i2c-2.7.0 (this is the first

compiled file that would have an error), hopefully cut
      down on tickets when 2.7.0 comes out


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1652 7894878c-1315-0410-8ee3-d5d059ff63e0

kernel/busses/i2c-amd8111.c

@@ -21,6 +21,10 @@
 #include <linux/delay.h>
 #include "version.h"
 
+#ifndef I2C_HW_SMBUS_AMD8111
+#error Your i2c is too old - i2c-2.7.0 or greater required!
+#endif
+
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR ("Vojtech Pavlik <vojtech@suse.cz>");
 MODULE_DESCRIPTION("AMD8111 SMBus 2.0 driver");