[PATCH] powerpc: Rename and export ppc64_firmware_features

We need to export ppc64_firmware_features for modules. Before we do that
I think we should probably rename it to powerpc_firmware_features.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h
index 03c2fdf..77069df 100644
--- a/include/asm-powerpc/firmware.h
+++ b/include/asm-powerpc/firmware.h
@@ -82,11 +82,11 @@
 /* This is used to identify firmware features which are available
  * to the kernel.
  */
-extern unsigned long	ppc64_firmware_features;
+extern unsigned long	powerpc_firmware_features;
 
 #define firmware_has_feature(feature)					\
 	((FW_FEATURE_ALWAYS & (feature)) ||				\
-		(FW_FEATURE_POSSIBLE & ppc64_firmware_features & (feature)))
+		(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
 
 extern void system_reset_fwnmi(void);
 extern void machine_check_fwnmi(void);