fs: hugetlbfs: Disable for shnommu.

SH can turn CONFIG_MMU on and off, don't let us get to a state
where hugetlbfs/hugetlbpage gets built when building for nommu.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

fs/Kconfig

@@ -991,7 +991,7 @@ config TMPFS_POSIX_ACL
 
 config HUGETLBFS
 	bool "HugeTLB file system support"
-	depends on X86 || IA64 || PPC64 || SPARC64 || SUPERH || BROKEN
+	depends on X86 || IA64 || PPC64 || SPARC64 || (SUPERH && MMU) || BROKEN
 	help
 	  hugetlbfs is a filesystem backing for HugeTLB pages, based on
 	  ramfs. For architectures that support it, say Y here and read