nios2 fix for v4.11

- nios2: reserve boot memory for device tree
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJY4p2VAAoJEFWoEK+e3syCoJYQAJE+airaXB1vqhdjiLxPk8yI
 1RoiLyZ5GUxDEUsQDVE1M1E4UGrKuko8TmPnLpR2AswYSCVQIUpsrGqJLXHnoYCE
 mmC4ONOTBOvptIvrMgxmzjxmhSr5sctf+o5P7RqptTdWuS4Uas9lTlrpjr9PbdRn
 qAi3H7ziTyBFiH+/TtU5s5mXv2cBi1cTCEG98xWPI0y5g3PUNp5XwpDQwKzjq8qb
 cJVQvf7/Dnj+opS5KlWuIY+sKRaLz21f8YKLbf6xpB5mH0ohdmxgfoUS607IIOVK
 3Nc2J7ZPTPOK4c3TnR0M57LIxtk1SonAaW+FF8a4q0XnokuqgVjB3m6nV1UDFp7b
 DUZKK9Rme/2/AlydX9rYxIwLNwlLyyzdN302C1InFcH71TCsCsNraxFXySkFHu0o
 aGJA6zsbEeXOsFAf4dHY3mtSwHTB7KsnZAMO15snvqFBhs/lemmznWSHCtRSiFj6
 cnCk6vkAbVMhkYTaKSB0S2kmaJ9ONdFjazqBsY1FSiFvutXqN8Wsv/BS9Hf2n/AT
 Bqgrzkt/SH0aGKvOXnUu9Bu4YdXeYg3kcxQ8VqflBwF8Uts6Fnnth91aHKs+2ORP
 E/h72N7I9GuF44ymXjSpZuKamFd/OTTMkdfigOKwP8ZW8/qNxMVBcieGY4pzAu1V
 2jrC4QnmIvtguV5Nzqo6
 =E/bW
 -----END PGP SIGNATURE-----

Merge tag 'nios2-v4.11-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2

Pull nios2 fix from Ley Foon Tan:

 - nios2: reserve boot memory for device tree

* tag 'nios2-v4.11-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2:
  nios2: reserve boot memory for device tree

arch/nios2/kernel/prom.c

@@ -48,6 +48,13 @@ void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
 	return alloc_bootmem_align(size, align);
 }
 
+int __init early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size,
+					     bool nomap)
+{
+	reserve_bootmem(base, size, BOOTMEM_DEFAULT);
+	return 0;
+}
+
 void __init early_init_devtree(void *params)
 {
 	__be32 *dtb = (u32 *)__dtb_start;

arch/nios2/kernel/setup.c

@@ -201,6 +201,9 @@ void __init setup_arch(char **cmdline_p)
 	}
 #endif /* CONFIG_BLK_DEV_INITRD */
 
+	early_init_fdt_reserve_self();
+	early_init_fdt_scan_reserved_mem();
+
 	unflatten_and_copy_device_tree();
 
 	setup_cpuinfo();