[TULIP]: Use CONFIG_SPARC consistently in ifdef tests.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tulip/winbond-840.c b/drivers/net/tulip/winbond-840.c
index 002a05e..e164a0d 100644
--- a/drivers/net/tulip/winbond-840.c
+++ b/drivers/net/tulip/winbond-840.c
@@ -903,7 +903,7 @@
 	}
 #elif defined(__powerpc__) || defined(__i386__) || defined(__alpha__) || defined(__ia64__) || defined(__x86_64__)
 	i |= 0xE000;
-#elif defined(__sparc__) || defined (CONFIG_PARISC)
+#elif defined(CONFIG_SPARC) || defined (CONFIG_PARISC)
 	i |= 0x4800;
 #else
 #warning Processor architecture undefined