[PATCH] pmac_zillog 1/2 : Cosmetic only, change "up" to "uap" to avoid collision

This does cosmetic changes the pmac_zilog, changing the use of "up" as
an identifier in favor "uap" to avoid collision with semaphores, use
proper debug macros, and a few other cosmetic bits.

drivers/serial/pmac_zilog.h

 #ifndef __PMAC_ZILOG_H__
 #define __PMAC_ZILOG_H__
 
+#define pmz_debug(fmt,arg...)	dev_dbg(&uap->dev->ofdev.dev, fmt, ## arg)
+
 /*
  * At most 2 ESCCs with 2 ports each
  */