[PATCH] conditional ROMfs copy for Arnewsh 5307 board

Make the ROMfs copy in the startup code for ARNEWSH 5307 board
conditional on actually using a ROMfs setup.

arch/m68knommu/platform/5307/ARNEWSH/crt0_ram.S

@@ -110,6 +110,8 @@ _start:
 	movc  %d0,%CACR
 	nop
 
+
+#ifdef CONFIG_ROMFS_FS
 	/*
 	 *	Move ROM filesystem above bss :-)
 	 */
@@ -131,6 +133,12 @@ _copy_romfs:
 	cmp.l	%a0, %a2			/* Check if at end */
 	bne	_copy_romfs
 
+#else /* CONFIG_ROMFS_FS */
+	lea.l	_ebss, %a1
+	move.l	%a1, _ramstart
+#endif /* CONFIG_ROMFS_FS */
+
+
 	/*
 	 *	Zero out the bss region.
 	 */