MIPS: Control huge tlb support via Kconfig symbol MIPS_HUGE_TLB_SUPPORT

We need Huge TLBs for HUGETLB_PAGE, or the soon to follow
TRANSPARENT_HUGEPAGE.  collect this information under a single Kconfig
symbol.

Signed-off-by: David Daney <david.daney@cavium.com>
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 4b9b935..936165d 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -305,7 +305,7 @@
 	pudp = pud_offset(pgdp, address);
 	pmdp = pmd_offset(pudp, address);
 	idx = read_c0_index();
-#ifdef CONFIG_HUGETLB_PAGE
+#ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
 	/* this could be a huge page  */
 	if (pmd_huge(*pmdp)) {
 		unsigned long lo;