powerpc: clean inclusions of asm/feature-fixups.h

files not using feature fixup don't need asm/feature-fixups.h
files using feature fixup need asm/feature-fixups.h

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/platforms/powernv/opal-wrappers.S

@@ -15,6 +15,7 @@
 #include <asm/asm-offsets.h>
 #include <asm/opal.h>
 #include <asm/asm-compat.h>
+#include <asm/feature-fixups.h>
 
 	.section	".text"