[MIPS] IP22: Export sgi_gfxaddr for use by the Newport console driver.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/sgi-ip22/ip22-setup.c

@@ -29,6 +29,7 @@
 #include <asm/sgi/ip22.h>
 
 unsigned long sgi_gfxaddr;
+EXPORT_SYMBOL_GPL(sgi_gfxaddr);
 
 /*
  * Stop-A is originally a Sun thing that isn't standard on IP22 so to avoid