[SPARC64]: Bump PROMINTR_MAX to 32.

Some devices have more than 15 which was the previous
setting.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/asm-sparc64/openprom.h b/include/asm-sparc64/openprom.h
index e01b805..26ec046 100644
--- a/include/asm-sparc64/openprom.h
+++ b/include/asm-sparc64/openprom.h
@@ -177,7 +177,7 @@
 /* More fun PROM structures for device probing. */
 #define PROMREG_MAX     24
 #define PROMVADDR_MAX   16
-#define PROMINTR_MAX    15
+#define PROMINTR_MAX    32
 
 struct linux_prom_registers {
 	unsigned which_io;	/* hi part of physical address			*/