powerpc/book3e: Add missing page sizes

Add defines for the other page sizes.  Even if HW doesn't support them
we made them use them for hugetlbfs support.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/include/asm/pte-book3e.h

@@ -20,9 +20,19 @@
 #define _PAGE_BAP_UX	0x000080
 #define _PAGE_PSIZE_MSK	0x000f00
 #define _PAGE_PSIZE_4K	0x000200
+#define _PAGE_PSIZE_8K	0x000300
+#define _PAGE_PSIZE_16K	0x000400
+#define _PAGE_PSIZE_32K	0x000500
 #define _PAGE_PSIZE_64K	0x000600
+#define _PAGE_PSIZE_128K	0x000700
+#define _PAGE_PSIZE_256K	0x000800
+#define _PAGE_PSIZE_512K	0x000900
 #define _PAGE_PSIZE_1M	0x000a00
+#define _PAGE_PSIZE_2M	0x000b00
+#define _PAGE_PSIZE_4M	0x000c00
+#define _PAGE_PSIZE_8M	0x000d00
 #define _PAGE_PSIZE_16M	0x000e00
+#define _PAGE_PSIZE_32M	0x000f00
 #define _PAGE_DIRTY	0x001000 /* C: page changed */
 #define _PAGE_SW0	0x002000
 #define _PAGE_U3	0x004000