microblaze: Add PVR for endians plus detection

Upcomming microblaze version will support little-endian.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/arch/microblaze/include/asm/pvr.h b/arch/microblaze/include/asm/pvr.h
index 3161055..37db96a 100644
--- a/arch/microblaze/include/asm/pvr.h
+++ b/arch/microblaze/include/asm/pvr.h
@@ -32,6 +32,7 @@
 #define PVR0_USE_DCACHE_MASK		0x01000000
 #define PVR0_USE_MMU			0x00800000
 #define PVR0_USE_BTC			0x00400000
+#define PVR0_ENDI			0x00200000
 #define PVR0_VERSION_MASK		0x0000FF00
 #define PVR0_USER1_MASK			0x000000FF
 
@@ -209,6 +210,8 @@
 #define PVR_MMU_TLB_ACCESS(pvr)	(pvr.pvr[11] & PVR11_MMU_TLB_ACCESS)
 #define PVR_MMU_ZONES(pvr)	(pvr.pvr[11] & PVR11_MMU_ZONES)
 
+/* endian */
+#define PVR_ENDIAN(pvr)	(pvr.pvr[0] & PVR0_ENDI)
 
 int cpu_has_pvr(void);
 void get_pvr(struct pvr_s *pvr);