powerpc/mpc85xx: Added B4460 support

B4460 differs from B4860 only in number of CPU cores,
hence used existing support for B4860.
B4460 has 2 PPC cores whereas B4860 has 4 PPC cores.

Signed-off-by: Shaveta Leekha <shaveta@freescale.com>
Signed-off-by: Sandeep Singh <Sandeep@freescale.com>
Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/arch/powerpc/cpu/mpc8xxx/cpu.c b/arch/powerpc/cpu/mpc8xxx/cpu.c
index 13bd0ac..15561a1 100644
--- a/arch/powerpc/cpu/mpc8xxx/cpu.c
+++ b/arch/powerpc/cpu/mpc8xxx/cpu.c
@@ -67,6 +67,7 @@
 	CPU_TYPE_ENTRY(G4860, G4860, 0),
 	CPU_TYPE_ENTRY(G4060, G4060, 0),
 	CPU_TYPE_ENTRY(B4440, B4440, 0),
+	CPU_TYPE_ENTRY(B4460, B4460, 0),
 	CPU_TYPE_ENTRY(G4440, G4440, 0),
 	CPU_TYPE_ENTRY(B4420, B4420, 0),
 	CPU_TYPE_ENTRY(B4220, B4220, 0),
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index a6f121e..edd7375 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -1117,6 +1117,7 @@
 #define SVR_C293	0x850030
 #define SVR_B4860	0X868000
 #define SVR_G4860	0x868001
+#define SVR_B4460	0x868003
 #define SVR_G4060	0x868003
 #define SVR_B4440	0x868100
 #define SVR_G4440	0x868101