Add option of 13 for FORCE_MAX_ZONEORDER

This is a hack, but it's what the other distros currently use
for aarch64 with 4K pages so we'll do the same while upstream
decides what the best outcome is (which isn't this).

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Signed-off-by: Robert Richter <rrichter@cavium.com>
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index b2024db..9b19acf 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -762,6 +762,7 @@
 config FORCE_MAX_ZONEORDER
 	int
 	default "14" if (ARM64_64K_PAGES && TRANSPARENT_HUGEPAGE)
+	default "13" if (ARCH_THUNDER && !ARM64_64K_PAGES)
 	default "12" if (ARM64_16K_PAGES && TRANSPARENT_HUGEPAGE)
 	default "11"
 	help