Clean up Sparc32 memory management

Concentrate memory and MMU management (lib.c malloc, romvec opb_, iommu,
OF /memory) to lib.c.



git-svn-id: svn://coreboot.org/openbios/openbios-devel@344 f158a5a8-5612-0410-a976-696ce0be7e32

arch/sparc32/boot.c

@@ -99,7 +99,7 @@ void boot(void)
             obp_arg.argv[1] = param;
         }
 
-        romvec = init_openprom(qemu_mem_size);
+        romvec = init_openprom();
 
         if (kernel_size) {
             int (*entry)(const void *romvec_ptr, int p2, int p3, int p4, int p5);