powerpc: Define PVR value for POWER8NVL processor

Signed-off-by: NPhilippe Bergheaud <felix@linux.vnet.ibm.com>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>

arch/powerpc/include/asm/reg.h

@@ -1182,6 +1182,7 @@
 #define PVR_970GX	0x0045
 #define PVR_POWER7p	0x004A
 #define PVR_POWER8E	0x004B
+#define PVR_POWER8NVL	0x004C
 #define PVR_POWER8	0x004D
 #define PVR_BE		0x0070
 #define PVR_PA6T	0x0090