powerpc: Add machine_early_initcall()

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/include/asm/machdep.h

@@ -366,6 +366,7 @@ static inline void log_error(char *buf, unsigned int err_type, int fatal)
 	} \
 	__define_initcall(__machine_initcall_##mach##_##fn, id);
 
+#define machine_early_initcall(mach, fn)	__define_machine_initcall(mach, fn, early)
 #define machine_core_initcall(mach, fn)		__define_machine_initcall(mach, fn, 1)
 #define machine_core_initcall_sync(mach, fn)	__define_machine_initcall(mach, fn, 1s)
 #define machine_postcore_initcall(mach, fn)	__define_machine_initcall(mach, fn, 2)