sparc: use trapbase in setup_arch

start and trapbase point to the same address.
But using start to assing to sparc_ttable looked confusing.

Replace this with the use of trapbase.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index b22ce61..648f216 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -185,7 +185,6 @@
 
 extern void sun4c_probe_vac(void);
 extern char cputypval;
-extern unsigned long start, end;
 
 extern unsigned short root_flags;
 extern unsigned short root_dev;
@@ -210,7 +209,7 @@
 	int i;
 	unsigned long highest_paddr;
 
-	sparc_ttable = (struct tt_entry *) &start;
+	sparc_ttable = (struct tt_entry *) &trapbase;
 
 	/* Initialize PROM console and command line. */
 	*cmdline_p = prom_getbootargs();