sh: convert initrd reservation to LMB.

This switches over from bootmem -> LMB for the initrd area reservation.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index d67a8a3..0800172 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -192,7 +192,7 @@
 	initrd_start = (unsigned long)__va(__pa(start));
 	initrd_end = initrd_start + INITRD_SIZE;
 
-	reserve_bootmem(__pa(initrd_start), INITRD_SIZE, BOOTMEM_DEFAULT);
+	lmb_reserve(__pa(initrd_start), INITRD_SIZE);
 
 	return;